Home / 313,010.28-469,534.43-88,387.65

Finding the Fourth Proportional to 313,010.28, 469,534.43 and 88,387.65

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Solution

The fourth proportional to 313,010.28, 469,534.43 and 88,387.65 is: 132,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,010.28 : 469,534.43 = 88,387.65 : x
  2. Step 2: Convert to fraction form
    313,010.28/469,534.43 = 88,387.65/x
  3. Step 3: Cross multiply
    313,010.28x = 469,534.43 × 88,387.65
  4. Step 4: Simplify right side
    313,010.28x = 41,501,045,082.76
  5. Step 5: Solve for x
    x = 41,501,045,082.76/313,010.28
  6. Step 6: Final answer
    x = 132,586.84

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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.