Finding the Fourth Proportional to 425,251.70, 638,002.14 and 125,740.08
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Solution
The fourth proportional to 425,251.70, 638,002.14 and 125,740.08 is: 188,646.96
Step by Step Solution
- Step 1: Write the proportion equation
425,251.70 : 638,002.14 = 125,740.08 : x - Step 2: Convert to fraction form
425,251.70/638,002.14 = 125,740.08/x - Step 3: Cross multiply
425,251.70x = 638,002.14 × 125,740.08 - Step 4: Simplify right side
425,251.70x = 80,222,440,123.77 - Step 5: Solve for x
x = 80,222,440,123.77/425,251.70 - Step 6: Final answer
x = 188,646.96
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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.