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Finding the Fourth Proportional to 223,789.77, 335,604.71 and 74,002.41

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Solution

The fourth proportional to 223,789.77, 335,604.71 and 74,002.41 is: 110,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,789.77 : 335,604.71 = 74,002.41 : x
  2. Step 2: Convert to fraction form
    223,789.77/335,604.71 = 74,002.41/x
  3. Step 3: Cross multiply
    223,789.77x = 335,604.71 × 74,002.41
  4. Step 4: Simplify right side
    223,789.77x = 24,835,556,977.34
  5. Step 5: Solve for x
    x = 24,835,556,977.34/223,789.77
  6. Step 6: Final answer
    x = 110,977.18

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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.