Home / 322,578.38-445,132.92-179,329.70

Finding the Fourth Proportional to 322,578.38, 445,132.92 and 179,329.70

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Solution

The fourth proportional to 322,578.38, 445,132.92 and 179,329.70 is: 247,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,578.38 : 445,132.92 = 179,329.70 : x
  2. Step 2: Convert to fraction form
    322,578.38/445,132.92 = 179,329.70/x
  3. Step 3: Cross multiply
    322,578.38x = 445,132.92 × 179,329.70
  4. Step 4: Simplify right side
    322,578.38x = 79,825,553,003.72
  5. Step 5: Solve for x
    x = 79,825,553,003.72/322,578.38
  6. Step 6: Final answer
    x = 247,460.95

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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.