Home / 324,128.92-447,286.17-178,931.59

Finding the Fourth Proportional to 324,128.92, 447,286.17 and 178,931.59

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Solution

The fourth proportional to 324,128.92, 447,286.17 and 178,931.59 is: 246,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,128.92 : 447,286.17 = 178,931.59 : x
  2. Step 2: Convert to fraction form
    324,128.92/447,286.17 = 178,931.59/x
  3. Step 3: Cross multiply
    324,128.92x = 447,286.17 × 178,931.59
  4. Step 4: Simplify right side
    324,128.92x = 80,033,625,583.11
  5. Step 5: Solve for x
    x = 80,033,625,583.11/324,128.92
  6. Step 6: Final answer
    x = 246,919.11

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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.