Home / 378,736.38-568,861.20-236,834.10

Finding the Fourth Proportional to 378,736.38, 568,861.20 and 236,834.10

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Solution

The fourth proportional to 378,736.38, 568,861.20 and 236,834.10 is: 355,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,736.38 : 568,861.20 = 236,834.10 : x
  2. Step 2: Convert to fraction form
    378,736.38/568,861.20 = 236,834.10/x
  3. Step 3: Cross multiply
    378,736.38x = 568,861.20 × 236,834.10
  4. Step 4: Simplify right side
    378,736.38x = 134,725,730,326.92
  5. Step 5: Solve for x
    x = 134,725,730,326.92/378,736.38
  6. Step 6: Final answer
    x = 355,724.29

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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.