Finding the Fourth Proportional to 642,604.19, 964,170.95 and 282,589.97
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Solution
The fourth proportional to 642,604.19, 964,170.95 and 282,589.97 is: 424,001.34
Step by Step Solution
- Step 1: Write the proportion equation
642,604.19 : 964,170.95 = 282,589.97 : x - Step 2: Convert to fraction form
642,604.19/964,170.95 = 282,589.97/x - Step 3: Cross multiply
642,604.19x = 964,170.95 × 282,589.97 - Step 4: Simplify right side
642,604.19x = 272,465,033,601.57 - Step 5: Solve for x
x = 272,465,033,601.57/642,604.19 - Step 6: Final answer
x = 424,001.34
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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.