Finding the Fourth Proportional to 493,685.72, 740,375.49 and 178,101.62
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Solution
The fourth proportional to 493,685.72, 740,375.49 and 178,101.62 is: 267,097.20
Step by Step Solution
- Step 1: Write the proportion equation
493,685.72 : 740,375.49 = 178,101.62 : x - Step 2: Convert to fraction form
493,685.72/740,375.49 = 178,101.62/x - Step 3: Cross multiply
493,685.72x = 740,375.49 × 178,101.62 - Step 4: Simplify right side
493,685.72x = 131,862,074,177.29 - Step 5: Solve for x
x = 131,862,074,177.29/493,685.72 - Step 6: Final answer
x = 267,097.20
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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.