Finding the Fourth Proportional to 165,766.76, 248,651.87 and 132,697.05
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Solution
The fourth proportional to 165,766.76, 248,651.87 and 132,697.05 is: 199,046.95
Step by Step Solution
- Step 1: Write the proportion equation
165,766.76 : 248,651.87 = 132,697.05 : x - Step 2: Convert to fraction form
165,766.76/248,651.87 = 132,697.05/x - Step 3: Cross multiply
165,766.76x = 248,651.87 × 132,697.05 - Step 4: Simplify right side
165,766.76x = 32,995,367,719.24 - Step 5: Solve for x
x = 32,995,367,719.24/165,766.76 - Step 6: Final answer
x = 199,046.95
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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.