Finding the Fourth Proportional to 425,542.44, 638,225.22 and 125,952.75
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Solution
The fourth proportional to 425,542.44, 638,225.22 and 125,952.75 is: 188,902.95
Step by Step Solution
- Step 1: Write the proportion equation
425,542.44 : 638,225.22 = 125,952.75 : x - Step 2: Convert to fraction form
425,542.44/638,225.22 = 125,952.75/x - Step 3: Cross multiply
425,542.44x = 638,225.22 × 125,952.75 - Step 4: Simplify right side
425,542.44x = 80,386,221,578.36 - Step 5: Solve for x
x = 80,386,221,578.36/425,542.44 - Step 6: Final answer
x = 188,902.95
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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.