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Finding the Fourth Proportional to 223,720.38, 335,633.13 and 73,960.68

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Solution

The fourth proportional to 223,720.38, 335,633.13 and 73,960.68 is: 110,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,720.38 : 335,633.13 = 73,960.68 : x
  2. Step 2: Convert to fraction form
    223,720.38/335,633.13 = 73,960.68/x
  3. Step 3: Cross multiply
    223,720.38x = 335,633.13 × 73,960.68
  4. Step 4: Simplify right side
    223,720.38x = 24,823,654,525.33
  5. Step 5: Solve for x
    x = 24,823,654,525.33/223,720.38
  6. Step 6: Final answer
    x = 110,958.40

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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.