Finding the Fourth Proportional to 498,252.83, 687,626.96 and 283,380.08
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Solution
The fourth proportional to 498,252.83, 687,626.96 and 283,380.08 is: 391,086.15
Step by Step Solution
- Step 1: Write the proportion equation
498,252.83 : 687,626.96 = 283,380.08 : x - Step 2: Convert to fraction form
498,252.83/687,626.96 = 283,380.08/x - Step 3: Cross multiply
498,252.83x = 687,626.96 × 283,380.08 - Step 4: Simplify right side
498,252.83x = 194,859,778,079.92 - Step 5: Solve for x
x = 194,859,778,079.92/498,252.83 - Step 6: Final answer
x = 391,086.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.