Finding the Fourth Proportional to 147,432.66, 221,149.14 and 36,624.66
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Solution
The fourth proportional to 147,432.66, 221,149.14 and 36,624.66 is: 54,937.02
Step by Step Solution
- Step 1: Write the proportion equation
147,432.66 : 221,149.14 = 36,624.66 : x - Step 2: Convert to fraction form
147,432.66/221,149.14 = 36,624.66/x - Step 3: Cross multiply
147,432.66x = 221,149.14 × 36,624.66 - Step 4: Simplify right side
147,432.66x = 8,099,511,095.14 - Step 5: Solve for x
x = 8,099,511,095.14/147,432.66 - Step 6: Final answer
x = 54,937.02
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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.