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Finding the Fourth Proportional to 220,469.52, 304,246.44 and 119,867.52

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Solution

The fourth proportional to 220,469.52, 304,246.44 and 119,867.52 is: 165,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,469.52 : 304,246.44 = 119,867.52 : x
  2. Step 2: Convert to fraction form
    220,469.52/304,246.44 = 119,867.52/x
  3. Step 3: Cross multiply
    220,469.52x = 304,246.44 × 119,867.52
  4. Step 4: Simplify right side
    220,469.52x = 36,469,266,231.63
  5. Step 5: Solve for x
    x = 36,469,266,231.63/220,469.52
  6. Step 6: Final answer
    x = 165,416.36

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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.