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Finding the Fourth Proportional to 888,251.22, 1,332,364.50 and 214,326.90

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Solution

The fourth proportional to 888,251.22, 1,332,364.50 and 214,326.90 is: 321,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,251.22 : 1,332,364.50 = 214,326.90 : x
  2. Step 2: Convert to fraction form
    888,251.22/1,332,364.50 = 214,326.90/x
  3. Step 3: Cross multiply
    888,251.22x = 1,332,364.50 × 214,326.90
  4. Step 4: Simplify right side
    888,251.22x = 285,561,552,955.05
  5. Step 5: Solve for x
    x = 285,561,552,955.05/888,251.22
  6. Step 6: Final answer
    x = 321,487.37

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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.