Finding the Fourth Proportional to 381,470.16, 572,205.24 and 203,437.80
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Solution
The fourth proportional to 381,470.16, 572,205.24 and 203,437.80 is: 305,156.70
Step by Step Solution
- Step 1: Write the proportion equation
381,470.16 : 572,205.24 = 203,437.80 : x - Step 2: Convert to fraction form
381,470.16/572,205.24 = 203,437.80/x - Step 3: Cross multiply
381,470.16x = 572,205.24 × 203,437.80 - Step 4: Simplify right side
381,470.16x = 116,408,175,174.07 - Step 5: Solve for x
x = 116,408,175,174.07/381,470.16 - Step 6: Final answer
x = 305,156.70
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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.