Convert each component of the ratio to a percentage form: 1:4

To convert each component of the ratio 1:4 to a percentage form, you can express each component as a fraction of the total ratio and then multiply it by 100.
The first component 1 can be expressed as $\frac{1}{(1+4)}=\frac{1}{5}$

Percentage of first component =$\frac{1}{5}\times 100$ = 20%
The second component 4 can be expressed as $\frac{4}{(1+4)}=\frac{4}{5}$

Percentage of second component =$\frac{4}{5}\times 100$ = 80%
So, the percentage form of the 1:4 ratio is 20% and 80%respectively.