Home / 220,819.74-331,229.67-71,071.75

Finding the Fourth Proportional to 220,819.74, 331,229.67 and 71,071.75

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Solution

The fourth proportional to 220,819.74, 331,229.67 and 71,071.75 is: 106,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,819.74 : 331,229.67 = 71,071.75 : x
  2. Step 2: Convert to fraction form
    220,819.74/331,229.67 = 71,071.75/x
  3. Step 3: Cross multiply
    220,819.74x = 331,229.67 × 71,071.75
  4. Step 4: Simplify right side
    220,819.74x = 23,541,072,298.82
  5. Step 5: Solve for x
    x = 23,541,072,298.82/220,819.74
  6. Step 6: Final answer
    x = 106,607.64

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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.