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Finding the Fourth Proportional to 269,388.41, 404,084.64 and 119,588.43

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Solution

The fourth proportional to 269,388.41, 404,084.64 and 119,588.43 is: 179,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,388.41 : 404,084.64 = 119,588.43 : x
  2. Step 2: Convert to fraction form
    269,388.41/404,084.64 = 119,588.43/x
  3. Step 3: Cross multiply
    269,388.41x = 404,084.64 × 119,588.43
  4. Step 4: Simplify right side
    269,388.41x = 48,323,847,086.77
  5. Step 5: Solve for x
    x = 48,323,847,086.77/269,388.41
  6. Step 6: Final answer
    x = 179,383.54

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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.