Finding the Fourth Proportional to 486,098.10, 729,147.15 and 366,347.70
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Solution
The fourth proportional to 486,098.10, 729,147.15 and 366,347.70 is: 549,521.55
Step by Step Solution
- Step 1: Write the proportion equation
486,098.10 : 729,147.15 = 366,347.70 : x - Step 2: Convert to fraction form
486,098.10/729,147.15 = 366,347.70/x - Step 3: Cross multiply
486,098.10x = 729,147.15 × 366,347.70 - Step 4: Simplify right side
486,098.10x = 267,121,381,364.06 - Step 5: Solve for x
x = 267,121,381,364.06/486,098.10 - Step 6: Final answer
x = 549,521.55
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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.