Finding the Fourth Proportional to 122,470.18, 183,716.88 and 47,596.10
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Solution
The fourth proportional to 122,470.18, 183,716.88 and 47,596.10 is: 71,398.66
Step by Step Solution
- Step 1: Write the proportion equation
122,470.18 : 183,716.88 = 47,596.10 : x - Step 2: Convert to fraction form
122,470.18/183,716.88 = 47,596.10/x - Step 3: Cross multiply
122,470.18x = 183,716.88 × 47,596.10 - Step 4: Simplify right side
122,470.18x = 8,744,206,754.19 - Step 5: Solve for x
x = 8,744,206,754.19/122,470.18 - Step 6: Final answer
x = 71,398.66
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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.