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Finding the Fourth Proportional to 367,976.52, 552,178.89 and 154,728.97

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Solution

The fourth proportional to 367,976.52, 552,178.89 and 154,728.97 is: 232,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,976.52 : 552,178.89 = 154,728.97 : x
  2. Step 2: Convert to fraction form
    367,976.52/552,178.89 = 154,728.97/x
  3. Step 3: Cross multiply
    367,976.52x = 552,178.89 × 154,728.97
  4. Step 4: Simplify right side
    367,976.52x = 85,438,069,525.00
  5. Step 5: Solve for x
    x = 85,438,069,525.00/367,976.52
  6. Step 6: Final answer
    x = 232,183.48

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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.