Home / 231,819.53-347,729.30-126,581.09

Finding the Fourth Proportional to 231,819.53, 347,729.30 and 126,581.09

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Solution

The fourth proportional to 231,819.53, 347,729.30 and 126,581.09 is: 189,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.53 : 347,729.30 = 126,581.09 : x
  2. Step 2: Convert to fraction form
    231,819.53/347,729.30 = 126,581.09/x
  3. Step 3: Cross multiply
    231,819.53x = 347,729.30 × 126,581.09
  4. Step 4: Simplify right side
    231,819.53x = 44,015,953,818.94
  5. Step 5: Solve for x
    x = 44,015,953,818.94/231,819.53
  6. Step 6: Final answer
    x = 189,871.64

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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.