Finding the Fourth Proportional to 208,792.26, 288,134.08 and 113,298.95
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Solution
The fourth proportional to 208,792.26, 288,134.08 and 113,298.95 is: 156,352.97
Step by Step Solution
- Step 1: Write the proportion equation
208,792.26 : 288,134.08 = 113,298.95 : x - Step 2: Convert to fraction form
208,792.26/288,134.08 = 113,298.95/x - Step 3: Cross multiply
208,792.26x = 288,134.08 × 113,298.95 - Step 4: Simplify right side
208,792.26x = 32,645,288,723.22 - Step 5: Solve for x
x = 32,645,288,723.22/208,792.26 - Step 6: Final answer
x = 156,352.97
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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.