Finding the Fourth Proportional to 423,666.28, 635,586.92 and 124,156.68
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Solution
The fourth proportional to 423,666.28, 635,586.92 and 124,156.68 is: 186,260.66
Step by Step Solution
- Step 1: Write the proportion equation
423,666.28 : 635,586.92 = 124,156.68 : x - Step 2: Convert to fraction form
423,666.28/635,586.92 = 124,156.68/x - Step 3: Cross multiply
423,666.28x = 635,586.92 × 124,156.68 - Step 4: Simplify right side
423,666.28x = 78,912,361,838.63 - Step 5: Solve for x
x = 78,912,361,838.63/423,666.28 - Step 6: Final answer
x = 186,260.66
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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.