Home / 220,776.28-331,060.74-102,373.72

Finding the Fourth Proportional to 220,776.28, 331,060.74 and 102,373.72

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Solution

The fourth proportional to 220,776.28, 331,060.74 and 102,373.72 is: 153,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,776.28 : 331,060.74 = 102,373.72 : x
  2. Step 2: Convert to fraction form
    220,776.28/331,060.74 = 102,373.72/x
  3. Step 3: Cross multiply
    220,776.28x = 331,060.74 × 102,373.72
  4. Step 4: Simplify right side
    220,776.28x = 33,891,919,499.75
  5. Step 5: Solve for x
    x = 33,891,919,499.75/220,776.28
  6. Step 6: Final answer
    x = 153,512.50

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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.