Home / 217,579.46-326,295.28-75,391.56

Finding the Fourth Proportional to 217,579.46, 326,295.28 and 75,391.56

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Solution

The fourth proportional to 217,579.46, 326,295.28 and 75,391.56 is: 113,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.46 : 326,295.28 = 75,391.56 : x
  2. Step 2: Convert to fraction form
    217,579.46/326,295.28 = 75,391.56/x
  3. Step 3: Cross multiply
    217,579.46x = 326,295.28 × 75,391.56
  4. Step 4: Simplify right side
    217,579.46x = 24,599,910,179.84
  5. Step 5: Solve for x
    x = 24,599,910,179.84/217,579.46
  6. Step 6: Final answer
    x = 113,061.73

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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.