Finding the Fourth Proportional to 493,753.08, 740,630.70 and 178,432.68
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Solution
The fourth proportional to 493,753.08, 740,630.70 and 178,432.68 is: 267,649.41
Step by Step Solution
- Step 1: Write the proportion equation
493,753.08 : 740,630.70 = 178,432.68 : x - Step 2: Convert to fraction form
493,753.08/740,630.70 = 178,432.68/x - Step 3: Cross multiply
493,753.08x = 740,630.70 × 178,432.68 - Step 4: Simplify right side
493,753.08x = 132,152,720,691.28 - Step 5: Solve for x
x = 132,152,720,691.28/493,753.08 - Step 6: Final answer
x = 267,649.41
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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.