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Finding the Fourth Proportional to 225,491.52, 338,237.04 and 92,372.01

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Solution

The fourth proportional to 225,491.52, 338,237.04 and 92,372.01 is: 138,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,491.52 : 338,237.04 = 92,372.01 : x
  2. Step 2: Convert to fraction form
    225,491.52/338,237.04 = 92,372.01/x
  3. Step 3: Cross multiply
    225,491.52x = 338,237.04 × 92,372.01
  4. Step 4: Simplify right side
    225,491.52x = 31,243,635,241.25
  5. Step 5: Solve for x
    x = 31,243,635,241.25/225,491.52
  6. Step 6: Final answer
    x = 138,557.92

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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.