Finding the Fourth Proportional to 106,046.31, 146,344.41 and 58,302.75
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Solution
The fourth proportional to 106,046.31, 146,344.41 and 58,302.75 is: 80,458.07
Step by Step Solution
- Step 1: Write the proportion equation
106,046.31 : 146,344.41 = 58,302.75 : x - Step 2: Convert to fraction form
106,046.31/146,344.41 = 58,302.75/x - Step 3: Cross multiply
106,046.31x = 146,344.41 × 58,302.75 - Step 4: Simplify right side
106,046.31x = 8,532,281,550.13 - Step 5: Solve for x
x = 8,532,281,550.13/106,046.31 - Step 6: Final answer
x = 80,458.07
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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.