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Finding the Fourth Proportional to 244,352.70, 367,513.20 and 218,764.80

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Solution

The fourth proportional to 244,352.70, 367,513.20 and 218,764.80 is: 329,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,352.70 : 367,513.20 = 218,764.80 : x
  2. Step 2: Convert to fraction form
    244,352.70/367,513.20 = 218,764.80/x
  3. Step 3: Cross multiply
    244,352.70x = 367,513.20 × 218,764.80
  4. Step 4: Simplify right side
    244,352.70x = 80,398,951,695.36
  5. Step 5: Solve for x
    x = 80,398,951,695.36/244,352.70
  6. Step 6: Final answer
    x = 329,028.29

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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.