Finding the Fourth Proportional to 420,637.14, 580,545.90 and 267,515.68
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Solution
The fourth proportional to 420,637.14, 580,545.90 and 267,515.68 is: 369,214.02
Step by Step Solution
- Step 1: Write the proportion equation
420,637.14 : 580,545.90 = 267,515.68 : x - Step 2: Convert to fraction form
420,637.14/580,545.90 = 267,515.68/x - Step 3: Cross multiply
420,637.14x = 580,545.90 × 267,515.68 - Step 4: Simplify right side
420,637.14x = 155,305,131,209.71 - Step 5: Solve for x
x = 155,305,131,209.71/420,637.14 - Step 6: Final answer
x = 369,214.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.