Finding the Fourth Proportional to 135,027.20, 202,249.20 and 117,531.20
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Solution
The fourth proportional to 135,027.20, 202,249.20 and 117,531.20 is: 176,042.98
Step by Step Solution
- Step 1: Write the proportion equation
135,027.20 : 202,249.20 = 117,531.20 : x - Step 2: Convert to fraction form
135,027.20/202,249.20 = 117,531.20/x - Step 3: Cross multiply
135,027.20x = 202,249.20 × 117,531.20 - Step 4: Simplify right side
135,027.20x = 23,770,591,175.04 - Step 5: Solve for x
x = 23,770,591,175.04/135,027.20 - Step 6: Final answer
x = 176,042.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.