Finding the Fourth Proportional to 491,481.10, 737,221.92 and 136,495.09
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Solution
The fourth proportional to 491,481.10, 737,221.92 and 136,495.09 is: 204,742.71
Step by Step Solution
- Step 1: Write the proportion equation
491,481.10 : 737,221.92 = 136,495.09 : x - Step 2: Convert to fraction form
491,481.10/737,221.92 = 136,495.09/x - Step 3: Cross multiply
491,481.10x = 737,221.92 × 136,495.09 - Step 4: Simplify right side
491,481.10x = 100,627,172,320.37 - Step 5: Solve for x
x = 100,627,172,320.37/491,481.10 - Step 6: Final answer
x = 204,742.71
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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.