Finding the Fourth Proportional to 115,663.92, 173,497.12 and 40,770.12
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Solution
The fourth proportional to 115,663.92, 173,497.12 and 40,770.12 is: 61,155.62
Step by Step Solution
- Step 1: Write the proportion equation
115,663.92 : 173,497.12 = 40,770.12 : x - Step 2: Convert to fraction form
115,663.92/173,497.12 = 40,770.12/x - Step 3: Cross multiply
115,663.92x = 173,497.12 × 40,770.12 - Step 4: Simplify right side
115,663.92x = 7,073,498,402.05 - Step 5: Solve for x
x = 7,073,498,402.05/115,663.92 - Step 6: Final answer
x = 61,155.62
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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.