Finding the Fourth Proportional to 327,607.20, 491,311.68 and 127,873.44
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Solution
The fourth proportional to 327,607.20, 491,311.68 and 127,873.44 is: 191,771.47
Step by Step Solution
- Step 1: Write the proportion equation
327,607.20 : 491,311.68 = 127,873.44 : x - Step 2: Convert to fraction form
327,607.20/491,311.68 = 127,873.44/x - Step 3: Cross multiply
327,607.20x = 491,311.68 × 127,873.44 - Step 4: Simplify right side
327,607.20x = 62,825,714,633.78 - Step 5: Solve for x
x = 62,825,714,633.78/327,607.20 - Step 6: Final answer
x = 191,771.47
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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.