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Finding the Fourth Proportional to 323,765.69, 485,371.57 and 124,229.28

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Solution

The fourth proportional to 323,765.69, 485,371.57 and 124,229.28 is: 186,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,765.69 : 485,371.57 = 124,229.28 : x
  2. Step 2: Convert to fraction form
    323,765.69/485,371.57 = 124,229.28/x
  3. Step 3: Cross multiply
    323,765.69x = 485,371.57 × 124,229.28
  4. Step 4: Simplify right side
    323,765.69x = 60,297,360,673.57
  5. Step 5: Solve for x
    x = 60,297,360,673.57/323,765.69
  6. Step 6: Final answer
    x = 186,237.65

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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.