Finding the Fourth Proportional to 542,335.36, 813,451.20 and 331,864.96
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Solution
The fourth proportional to 542,335.36, 813,451.20 and 331,864.96 is: 497,765.72
Step by Step Solution
- Step 1: Write the proportion equation
542,335.36 : 813,451.20 = 331,864.96 : x - Step 2: Convert to fraction form
542,335.36/813,451.20 = 331,864.96/x - Step 3: Cross multiply
542,335.36x = 813,451.20 × 331,864.96 - Step 4: Simplify right side
542,335.36x = 269,955,949,949.95 - Step 5: Solve for x
x = 269,955,949,949.95/542,335.36 - Step 6: Final answer
x = 497,765.72
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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.