Home / 272,456.28-375,517.26-256,709.88

Finding the Fourth Proportional to 272,456.28, 375,517.26 and 256,709.88

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Solution

The fourth proportional to 272,456.28, 375,517.26 and 256,709.88 is: 353,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,456.28 : 375,517.26 = 256,709.88 : x
  2. Step 2: Convert to fraction form
    272,456.28/375,517.26 = 256,709.88/x
  3. Step 3: Cross multiply
    272,456.28x = 375,517.26 × 256,709.88
  4. Step 4: Simplify right side
    272,456.28x = 96,398,990,752.53
  5. Step 5: Solve for x
    x = 96,398,990,752.53/272,456.28
  6. Step 6: Final answer
    x = 353,814.53

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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.