Finding the Fourth Proportional to 442,366.20, 663,552.99 and 274,375.44
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Solution
The fourth proportional to 442,366.20, 663,552.99 and 274,375.44 is: 411,565.45
Step by Step Solution
- Step 1: Write the proportion equation
442,366.20 : 663,552.99 = 274,375.44 : x - Step 2: Convert to fraction form
442,366.20/663,552.99 = 274,375.44/x - Step 3: Cross multiply
442,366.20x = 663,552.99 × 274,375.44 - Step 4: Simplify right side
442,366.20x = 182,062,643,594.57 - Step 5: Solve for x
x = 182,062,643,594.57/442,366.20 - Step 6: Final answer
x = 411,565.45
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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.