Finding the Fourth Proportional to 357,781.68, 536,737.32 and 147,304.80
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Solution
The fourth proportional to 357,781.68, 536,737.32 and 147,304.80 is: 220,983.88
Step by Step Solution
- Step 1: Write the proportion equation
357,781.68 : 536,737.32 = 147,304.80 : x - Step 2: Convert to fraction form
357,781.68/536,737.32 = 147,304.80/x - Step 3: Cross multiply
357,781.68x = 536,737.32 × 147,304.80 - Step 4: Simplify right side
357,781.68x = 79,063,983,575.14 - Step 5: Solve for x
x = 79,063,983,575.14/357,781.68 - Step 6: Final answer
x = 220,983.88
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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.