Finding the Fourth Proportional to 239,691.08, 359,524.95 and 89,919.70
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Solution
The fourth proportional to 239,691.08, 359,524.95 and 89,919.70 is: 134,875.17
Step by Step Solution
- Step 1: Write the proportion equation
239,691.08 : 359,524.95 = 89,919.70 : x - Step 2: Convert to fraction form
239,691.08/359,524.95 = 89,919.70/x - Step 3: Cross multiply
239,691.08x = 359,524.95 × 89,919.70 - Step 4: Simplify right side
239,691.08x = 32,328,376,432.83 - Step 5: Solve for x
x = 32,328,376,432.83/239,691.08 - Step 6: Final answer
x = 134,875.17
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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.