Finding the Fourth Proportional to 489,025.05, 733,458.87 and 133,956.06
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Solution
The fourth proportional to 489,025.05, 733,458.87 and 133,956.06 is: 200,912.53
Step by Step Solution
- Step 1: Write the proportion equation
489,025.05 : 733,458.87 = 133,956.06 : x - Step 2: Convert to fraction form
489,025.05/733,458.87 = 133,956.06/x - Step 3: Cross multiply
489,025.05x = 733,458.87 × 133,956.06 - Step 4: Simplify right side
489,025.05x = 98,251,260,397.25 - Step 5: Solve for x
x = 98,251,260,397.25/489,025.05 - Step 6: Final answer
x = 200,912.53
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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.