Finding the Fourth Proportional to 416,286.38, 623,926.70 and 202,734.28
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Solution
The fourth proportional to 416,286.38, 623,926.70 and 202,734.28 is: 303,856.52
Step by Step Solution
- Step 1: Write the proportion equation
416,286.38 : 623,926.70 = 202,734.28 : x - Step 2: Convert to fraction form
416,286.38/623,926.70 = 202,734.28/x - Step 3: Cross multiply
416,286.38x = 623,926.70 × 202,734.28 - Step 4: Simplify right side
416,286.38x = 126,491,330,297.28 - Step 5: Solve for x
x = 126,491,330,297.28/416,286.38 - Step 6: Final answer
x = 303,856.52
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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.