Finding the Fourth Proportional to 94,446.26, 141,635.36 and 31,254.70
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Solution
The fourth proportional to 94,446.26, 141,635.36 and 31,254.70 is: 46,870.79
Step by Step Solution
- Step 1: Write the proportion equation
94,446.26 : 141,635.36 = 31,254.70 : x - Step 2: Convert to fraction form
94,446.26/141,635.36 = 31,254.70/x - Step 3: Cross multiply
94,446.26x = 141,635.36 × 31,254.70 - Step 4: Simplify right side
94,446.26x = 4,426,770,686.19 - Step 5: Solve for x
x = 4,426,770,686.19/94,446.26 - Step 6: Final answer
x = 46,870.79
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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.