Home / 381,733.60-572,834.40-157,201.60

Finding the Fourth Proportional to 381,733.60, 572,834.40 and 157,201.60

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Solution

The fourth proportional to 381,733.60, 572,834.40 and 157,201.60 is: 235,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,733.60 : 572,834.40 = 157,201.60 : x
  2. Step 2: Convert to fraction form
    381,733.60/572,834.40 = 157,201.60/x
  3. Step 3: Cross multiply
    381,733.60x = 572,834.40 × 157,201.60
  4. Step 4: Simplify right side
    381,733.60x = 90,050,484,215.04
  5. Step 5: Solve for x
    x = 90,050,484,215.04/381,733.60
  6. Step 6: Final answer
    x = 235,898.76

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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.