Home / 661,541.28-992,545.20-240,859.68

Finding the Fourth Proportional to 661,541.28, 992,545.20 and 240,859.68

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Solution

The fourth proportional to 661,541.28, 992,545.20 and 240,859.68 is: 361,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,541.28 : 992,545.20 = 240,859.68 : x
  2. Step 2: Convert to fraction form
    661,541.28/992,545.20 = 240,859.68/x
  3. Step 3: Cross multiply
    661,541.28x = 992,545.20 × 240,859.68
  4. Step 4: Simplify right side
    661,541.28x = 239,064,119,257.54
  5. Step 5: Solve for x
    x = 239,064,119,257.54/661,541.28
  6. Step 6: Final answer
    x = 361,374.45

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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.