Home / 427,463.17-641,371.37-187,452.88

Finding the Fourth Proportional to 427,463.17, 641,371.37 and 187,452.88

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Solution

The fourth proportional to 427,463.17, 641,371.37 and 187,452.88 is: 281,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,463.17 : 641,371.37 = 187,452.88 : x
  2. Step 2: Convert to fraction form
    427,463.17/641,371.37 = 187,452.88/x
  3. Step 3: Cross multiply
    427,463.17x = 641,371.37 × 187,452.88
  4. Step 4: Simplify right side
    427,463.17x = 120,226,910,456.05
  5. Step 5: Solve for x
    x = 120,226,910,456.05/427,463.17
  6. Step 6: Final answer
    x = 281,256.77

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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.