Finding the Fourth Proportional to 437,446.56, 656,107.53 and 137,888.21
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Solution
The fourth proportional to 437,446.56, 656,107.53 and 137,888.21 is: 206,812.67
Step by Step Solution
- Step 1: Write the proportion equation
437,446.56 : 656,107.53 = 137,888.21 : x - Step 2: Convert to fraction form
437,446.56/656,107.53 = 137,888.21/x - Step 3: Cross multiply
437,446.56x = 656,107.53 × 137,888.21 - Step 4: Simplify right side
437,446.56x = 90,469,492,879.22 - Step 5: Solve for x
x = 90,469,492,879.22/437,446.56 - Step 6: Final answer
x = 206,812.67
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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.