Home / 381,357.24-571,854.02-141,306.45

Finding the Fourth Proportional to 381,357.24, 571,854.02 and 141,306.45

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Solution

The fourth proportional to 381,357.24, 571,854.02 and 141,306.45 is: 211,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,357.24 : 571,854.02 = 141,306.45 : x
  2. Step 2: Convert to fraction form
    381,357.24/571,854.02 = 141,306.45/x
  3. Step 3: Cross multiply
    381,357.24x = 571,854.02 × 141,306.45
  4. Step 4: Simplify right side
    381,357.24x = 80,806,660,777.90
  5. Step 5: Solve for x
    x = 80,806,660,777.90/381,357.24
  6. Step 6: Final answer
    x = 211,892.29

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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.