Home / 252,899.78-379,562.49-126,502.11

Finding the Fourth Proportional to 252,899.78, 379,562.49 and 126,502.11

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Solution

The fourth proportional to 252,899.78, 379,562.49 and 126,502.11 is: 189,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,899.78 : 379,562.49 = 126,502.11 : x
  2. Step 2: Convert to fraction form
    252,899.78/379,562.49 = 126,502.11/x
  3. Step 3: Cross multiply
    252,899.78x = 379,562.49 × 126,502.11
  4. Step 4: Simplify right side
    252,899.78x = 48,015,455,861.85
  5. Step 5: Solve for x
    x = 48,015,455,861.85/252,899.78
  6. Step 6: Final answer
    x = 189,859.62

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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.