Finding the Fourth Proportional to 425,331.02, 638,121.28 and 125,819.48
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Solution
The fourth proportional to 425,331.02, 638,121.28 and 125,819.48 is: 188,766.12
Step by Step Solution
- Step 1: Write the proportion equation
425,331.02 : 638,121.28 = 125,819.48 : x - Step 2: Convert to fraction form
425,331.02/638,121.28 = 125,819.48/x - Step 3: Cross multiply
425,331.02x = 638,121.28 × 125,819.48 - Step 4: Simplify right side
425,331.02x = 80,288,087,626.53 - Step 5: Solve for x
x = 80,288,087,626.53/425,331.02 - Step 6: Final answer
x = 188,766.12
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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.