Finding the Fourth Proportional to 425,304.27, 638,081.15 and 125,792.73
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Solution
The fourth proportional to 425,304.27, 638,081.15 and 125,792.73 is: 188,725.99
Step by Step Solution
- Step 1: Write the proportion equation
425,304.27 : 638,081.15 = 125,792.73 : x - Step 2: Convert to fraction form
425,304.27/638,081.15 = 125,792.73/x - Step 3: Cross multiply
425,304.27x = 638,081.15 × 125,792.73 - Step 4: Simplify right side
425,304.27x = 80,265,969,191.08 - Step 5: Solve for x
x = 80,265,969,191.08/425,304.27 - Step 6: Final answer
x = 188,725.99
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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.