Finding the Fourth Proportional to 491,475.85, 737,214.05 and 136,489.84
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Solution
The fourth proportional to 491,475.85, 737,214.05 and 136,489.84 is: 204,734.84
Step by Step Solution
- Step 1: Write the proportion equation
491,475.85 : 737,214.05 = 136,489.84 : x - Step 2: Convert to fraction form
491,475.85/737,214.05 = 136,489.84/x - Step 3: Cross multiply
491,475.85x = 737,214.05 × 136,489.84 - Step 4: Simplify right side
491,475.85x = 100,622,227,730.25 - Step 5: Solve for x
x = 100,622,227,730.25/491,475.85 - Step 6: Final answer
x = 204,734.84
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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.