Finding the Fourth Proportional to 227,340.87, 313,758.68 and 130,575.03
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Solution
The fourth proportional to 227,340.87, 313,758.68 and 130,575.03 is: 180,209.78
Step by Step Solution
- Step 1: Write the proportion equation
227,340.87 : 313,758.68 = 130,575.03 : x - Step 2: Convert to fraction form
227,340.87/313,758.68 = 130,575.03/x - Step 3: Cross multiply
227,340.87x = 313,758.68 × 130,575.03 - Step 4: Simplify right side
227,340.87x = 40,969,047,958.77 - Step 5: Solve for x
x = 40,969,047,958.77/227,340.87 - Step 6: Final answer
x = 180,209.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.