Finding the Fourth Proportional to 493,920.05, 681,609.74 and 267,565.55
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Solution
The fourth proportional to 493,920.05, 681,609.74 and 267,565.55 is: 369,240.49
Step by Step Solution
- Step 1: Write the proportion equation
493,920.05 : 681,609.74 = 267,565.55 : x - Step 2: Convert to fraction form
493,920.05/681,609.74 = 267,565.55/x - Step 3: Cross multiply
493,920.05x = 681,609.74 × 267,565.55 - Step 4: Simplify right side
493,920.05x = 182,375,280,222.58 - Step 5: Solve for x
x = 182,375,280,222.58/493,920.05 - Step 6: Final answer
x = 369,240.49
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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.