Home / 220,767.26-331,183.28-70,958.16

Finding the Fourth Proportional to 220,767.26, 331,183.28 and 70,958.16

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Solution

The fourth proportional to 220,767.26, 331,183.28 and 70,958.16 is: 106,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,767.26 : 331,183.28 = 70,958.16 : x
  2. Step 2: Convert to fraction form
    220,767.26/331,183.28 = 70,958.16/x
  3. Step 3: Cross multiply
    220,767.26x = 331,183.28 × 70,958.16
  4. Step 4: Simplify right side
    220,767.26x = 23,500,156,348.96
  5. Step 5: Solve for x
    x = 23,500,156,348.96/220,767.26
  6. Step 6: Final answer
    x = 106,447.65

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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.