Finding the Fourth Proportional to 381,251.14, 571,880.84 and 115,013.97
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Solution
The fourth proportional to 381,251.14, 571,880.84 and 115,013.97 is: 172,522.20
Step by Step Solution
- Step 1: Write the proportion equation
381,251.14 : 571,880.84 = 115,013.97 : x - Step 2: Convert to fraction form
381,251.14/571,880.84 = 115,013.97/x - Step 3: Cross multiply
381,251.14x = 571,880.84 × 115,013.97 - Step 4: Simplify right side
381,251.14x = 65,774,285,200.27 - Step 5: Solve for x
x = 65,774,285,200.27/381,251.14 - Step 6: Final answer
x = 172,522.20
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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.