Finding the Fourth Proportional to 381,390.26, 571,377.56 and 273,096.09
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Solution
The fourth proportional to 381,390.26, 571,377.56 and 273,096.09 is: 409,137.29
Step by Step Solution
- Step 1: Write the proportion equation
381,390.26 : 571,377.56 = 273,096.09 : x - Step 2: Convert to fraction form
381,390.26/571,377.56 = 273,096.09/x - Step 3: Cross multiply
381,390.26x = 571,377.56 × 273,096.09 - Step 4: Simplify right side
381,390.26x = 156,040,976,184.26 - Step 5: Solve for x
x = 156,040,976,184.26/381,390.26 - Step 6: Final answer
x = 409,137.29
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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.