Finding the Fourth Proportional to 638,737.28, 958,115.04 and 306,235.52
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Solution
The fourth proportional to 638,737.28, 958,115.04 and 306,235.52 is: 459,357.65
Step by Step Solution
- Step 1: Write the proportion equation
638,737.28 : 958,115.04 = 306,235.52 : x - Step 2: Convert to fraction form
638,737.28/958,115.04 = 306,235.52/x - Step 3: Cross multiply
638,737.28x = 958,115.04 × 306,235.52 - Step 4: Simplify right side
638,737.28x = 293,408,857,494.22 - Step 5: Solve for x
x = 293,408,857,494.22/638,737.28 - Step 6: Final answer
x = 459,357.65
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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.