Home / 307,964.28-462,154.18-108,285.78

Finding the Fourth Proportional to 307,964.28, 462,154.18 and 108,285.78

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Solution

The fourth proportional to 307,964.28, 462,154.18 and 108,285.78 is: 162,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,964.28 : 462,154.18 = 108,285.78 : x
  2. Step 2: Convert to fraction form
    307,964.28/462,154.18 = 108,285.78/x
  3. Step 3: Cross multiply
    307,964.28x = 462,154.18 × 108,285.78
  4. Step 4: Simplify right side
    307,964.28x = 50,044,725,861.56
  5. Step 5: Solve for x
    x = 50,044,725,861.56/307,964.28
  6. Step 6: Final answer
    x = 162,501.72

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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.