Finding the Fourth Proportional to 486,751.08, 728,350.38 and 287,167.08
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Solution
The fourth proportional to 486,751.08, 728,350.38 and 287,167.08 is: 429,702.70
Step by Step Solution
- Step 1: Write the proportion equation
486,751.08 : 728,350.38 = 287,167.08 : x - Step 2: Convert to fraction form
486,751.08/728,350.38 = 287,167.08/x - Step 3: Cross multiply
486,751.08x = 728,350.38 × 287,167.08 - Step 4: Simplify right side
486,751.08x = 209,158,251,841.49 - Step 5: Solve for x
x = 209,158,251,841.49/486,751.08 - Step 6: Final answer
x = 429,702.70
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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.