Finding the Fourth Proportional to 292,331.26, 437,229.96 and 172,101.70
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Solution
The fourth proportional to 292,331.26, 437,229.96 and 172,101.70 is: 257,406.68
Step by Step Solution
- Step 1: Write the proportion equation
292,331.26 : 437,229.96 = 172,101.70 : x - Step 2: Convert to fraction form
292,331.26/437,229.96 = 172,101.70/x - Step 3: Cross multiply
292,331.26x = 437,229.96 × 172,101.70 - Step 4: Simplify right side
292,331.26x = 75,248,019,406.93 - Step 5: Solve for x
x = 75,248,019,406.93/292,331.26 - Step 6: Final answer
x = 257,406.68
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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.