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Finding the Fourth Proportional to 150,616.80, 225,896.04 and 50,766.48

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Solution

The fourth proportional to 150,616.80, 225,896.04 and 50,766.48 is: 76,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,616.80 : 225,896.04 = 50,766.48 : x
  2. Step 2: Convert to fraction form
    150,616.80/225,896.04 = 50,766.48/x
  3. Step 3: Cross multiply
    150,616.80x = 225,896.04 × 50,766.48
  4. Step 4: Simplify right side
    150,616.80x = 11,467,946,796.74
  5. Step 5: Solve for x
    x = 11,467,946,796.74/150,616.80
  6. Step 6: Final answer
    x = 76,139.89

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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.