Home / 419,834.92-579,385.86-238,536.10

Finding the Fourth Proportional to 419,834.92, 579,385.86 and 238,536.10

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Solution

The fourth proportional to 419,834.92, 579,385.86 and 238,536.10 is: 329,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,834.92 : 579,385.86 = 238,536.10 : x
  2. Step 2: Convert to fraction form
    419,834.92/579,385.86 = 238,536.10/x
  3. Step 3: Cross multiply
    419,834.92x = 579,385.86 × 238,536.10
  4. Step 4: Simplify right side
    419,834.92x = 138,204,443,439.55
  5. Step 5: Solve for x
    x = 138,204,443,439.55/419,834.92
  6. Step 6: Final answer
    x = 329,187.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.