Finding the Fourth Proportional to 117,472.92, 176,215.52 and 54,351.99
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Solution
The fourth proportional to 117,472.92, 176,215.52 and 54,351.99 is: 81,530.82
Step by Step Solution
- Step 1: Write the proportion equation
117,472.92 : 176,215.52 = 54,351.99 : x - Step 2: Convert to fraction form
117,472.92/176,215.52 = 54,351.99/x - Step 3: Cross multiply
117,472.92x = 176,215.52 × 54,351.99 - Step 4: Simplify right side
117,472.92x = 9,577,663,909.12 - Step 5: Solve for x
x = 9,577,663,909.12/117,472.92 - Step 6: Final answer
x = 81,530.82
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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.