4/5=27/x using two different methods. Explain each method

Metathod 1

4/5=27/x

mutiply 4/5 by 27/27 and multily 27/x by 4/4

108/135=108/4x

therefor

108:135=108:4x

therefor

135=4x

divide by 4

33.75=x

metahod 2

4/5=27/x

multiply oht sides by x

4/5x=27

multiply both sides by 5/4 to clear fraction

x=135/4

x=33.75