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Finding the Fourth Proportional to 223,321.62, 335,034.24 and 73,556.54

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Solution

The fourth proportional to 223,321.62, 335,034.24 and 73,556.54 is: 110,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,321.62 : 335,034.24 = 73,556.54 : x
  2. Step 2: Convert to fraction form
    223,321.62/335,034.24 = 73,556.54/x
  3. Step 3: Cross multiply
    223,321.62x = 335,034.24 × 73,556.54
  4. Step 4: Simplify right side
    223,321.62x = 24,643,957,800.76
  5. Step 5: Solve for x
    x = 24,643,957,800.76/223,321.62
  6. Step 6: Final answer
    x = 110,351.87

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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.