Finding the Fourth Proportional to 226,387.17, 312,414.21 and 125,785.17
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Solution
The fourth proportional to 226,387.17, 312,414.21 and 125,785.17 is: 173,583.49
Step by Step Solution
- Step 1: Write the proportion equation
226,387.17 : 312,414.21 = 125,785.17 : x - Step 2: Convert to fraction form
226,387.17/312,414.21 = 125,785.17/x - Step 3: Cross multiply
226,387.17x = 312,414.21 × 125,785.17 - Step 4: Simplify right side
226,387.17x = 39,297,074,515.27 - Step 5: Solve for x
x = 39,297,074,515.27/226,387.17 - Step 6: Final answer
x = 173,583.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.