Finding the Fourth Proportional to 364,489.20, 546,733.80 and 271,177.20
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Solution
The fourth proportional to 364,489.20, 546,733.80 and 271,177.20 is: 406,765.80
Step by Step Solution
- Step 1: Write the proportion equation
364,489.20 : 546,733.80 = 271,177.20 : x - Step 2: Convert to fraction form
364,489.20/546,733.80 = 271,177.20/x - Step 3: Cross multiply
364,489.20x = 546,733.80 × 271,177.20 - Step 4: Simplify right side
364,489.20x = 148,261,741,029.36 - Step 5: Solve for x
x = 148,261,741,029.36/364,489.20 - Step 6: Final answer
x = 406,765.80
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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.