Finding the Fourth Proportional to 414,042.24, 621,062.67 and 129,754.68
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Solution
The fourth proportional to 414,042.24, 621,062.67 and 129,754.68 is: 194,631.80
Step by Step Solution
- Step 1: Write the proportion equation
414,042.24 : 621,062.67 = 129,754.68 : x - Step 2: Convert to fraction form
414,042.24/621,062.67 = 129,754.68/x - Step 3: Cross multiply
414,042.24x = 621,062.67 × 129,754.68 - Step 4: Simplify right side
414,042.24x = 80,585,788,005.80 - Step 5: Solve for x
x = 80,585,788,005.80/414,042.24 - Step 6: Final answer
x = 194,631.80
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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.