Home / 447,115.22-617,013.03-243,161.75

Finding the Fourth Proportional to 447,115.22, 617,013.03 and 243,161.75

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Solution

The fourth proportional to 447,115.22, 617,013.03 and 243,161.75 is: 335,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,115.22 : 617,013.03 = 243,161.75 : x
  2. Step 2: Convert to fraction form
    447,115.22/617,013.03 = 243,161.75/x
  3. Step 3: Cross multiply
    447,115.22x = 617,013.03 × 243,161.75
  4. Step 4: Simplify right side
    447,115.22x = 150,033,966,789.35
  5. Step 5: Solve for x
    x = 150,033,966,789.35/447,115.22
  6. Step 6: Final answer
    x = 335,559.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.