Finding the Fourth Proportional to 265,982.58, 398,763.27 and 132,789.42
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Solution
The fourth proportional to 265,982.58, 398,763.27 and 132,789.42 is: 199,078.99
Step by Step Solution
- Step 1: Write the proportion equation
265,982.58 : 398,763.27 = 132,789.42 : x - Step 2: Convert to fraction form
265,982.58/398,763.27 = 132,789.42/x - Step 3: Cross multiply
265,982.58x = 398,763.27 × 132,789.42 - Step 4: Simplify right side
265,982.58x = 52,951,543,340.60 - Step 5: Solve for x
x = 52,951,543,340.60/265,982.58 - Step 6: Final answer
x = 199,078.99
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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.