Finding the Fourth Proportional to 113,336.13, 156,404.19 and 62,354.09
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Solution
The fourth proportional to 113,336.13, 156,404.19 and 62,354.09 is: 86,048.82
Step by Step Solution
- Step 1: Write the proportion equation
113,336.13 : 156,404.19 = 62,354.09 : x - Step 2: Convert to fraction form
113,336.13/156,404.19 = 62,354.09/x - Step 3: Cross multiply
113,336.13x = 156,404.19 × 62,354.09 - Step 4: Simplify right side
113,336.13x = 9,752,440,157.62 - Step 5: Solve for x
x = 9,752,440,157.62/113,336.13 - Step 6: Final answer
x = 86,048.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.