Finding the Fourth Proportional to 381,882.10, 572,823.15 and 101,427.70
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Solution
The fourth proportional to 381,882.10, 572,823.15 and 101,427.70 is: 152,141.55
Step by Step Solution
- Step 1: Write the proportion equation
381,882.10 : 572,823.15 = 101,427.70 : x - Step 2: Convert to fraction form
381,882.10/572,823.15 = 101,427.70/x - Step 3: Cross multiply
381,882.10x = 572,823.15 × 101,427.70 - Step 4: Simplify right side
381,882.10x = 58,100,134,611.26 - Step 5: Solve for x
x = 58,100,134,611.26/381,882.10 - Step 6: Final answer
x = 152,141.55
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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.