Finding the Fourth Proportional to 366,229.38, 549,347.48 and 129,612.18
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Solution
The fourth proportional to 366,229.38, 549,347.48 and 129,612.18 is: 194,419.48
Step by Step Solution
- Step 1: Write the proportion equation
366,229.38 : 549,347.48 = 129,612.18 : x - Step 2: Convert to fraction form
366,229.38/549,347.48 = 129,612.18/x - Step 3: Cross multiply
366,229.38x = 549,347.48 × 129,612.18 - Step 4: Simplify right side
366,229.38x = 71,202,124,460.31 - Step 5: Solve for x
x = 71,202,124,460.31/366,229.38 - Step 6: Final answer
x = 194,419.48
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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.