Home / 217,726.74-300,462.68-122,233.61

Finding the Fourth Proportional to 217,726.74, 300,462.68 and 122,233.61

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Solution

The fourth proportional to 217,726.74, 300,462.68 and 122,233.61 is: 168,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,726.74 : 300,462.68 = 122,233.61 : x
  2. Step 2: Convert to fraction form
    217,726.74/300,462.68 = 122,233.61/x
  3. Step 3: Cross multiply
    217,726.74x = 300,462.68 × 122,233.61
  4. Step 4: Simplify right side
    217,726.74x = 36,726,639,103.42
  5. Step 5: Solve for x
    x = 36,726,639,103.42/217,726.74
  6. Step 6: Final answer
    x = 168,682.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.