Home / 486,541.70-729,882.30-149,610.65

Finding the Fourth Proportional to 486,541.70, 729,882.30 and 149,610.65

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Solution

The fourth proportional to 486,541.70, 729,882.30 and 149,610.65 is: 224,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,541.70 : 729,882.30 = 149,610.65 : x
  2. Step 2: Convert to fraction form
    486,541.70/729,882.30 = 149,610.65/x
  3. Step 3: Cross multiply
    486,541.70x = 729,882.30 × 149,610.65
  4. Step 4: Simplify right side
    486,541.70x = 109,198,165,326.50
  5. Step 5: Solve for x
    x = 109,198,165,326.50/486,541.70
  6. Step 6: Final answer
    x = 224,437.42

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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.