Finding the Fourth Proportional to 226,470.74, 339,755.11 and 68,711.09
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Solution
The fourth proportional to 226,470.74, 339,755.11 and 68,711.09 is: 103,081.50
Step by Step Solution
- Step 1: Write the proportion equation
226,470.74 : 339,755.11 = 68,711.09 : x - Step 2: Convert to fraction form
226,470.74/339,755.11 = 68,711.09/x - Step 3: Cross multiply
226,470.74x = 339,755.11 × 68,711.09 - Step 4: Simplify right side
226,470.74x = 23,344,942,070.62 - Step 5: Solve for x
x = 23,344,942,070.62/226,470.74 - Step 6: Final answer
x = 103,081.50
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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.