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Finding the Fourth Proportional to 397,469.22, 595,206.78 and 237,446.44

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Solution

The fourth proportional to 397,469.22, 595,206.78 and 237,446.44 is: 355,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,469.22 : 595,206.78 = 237,446.44 : x
  2. Step 2: Convert to fraction form
    397,469.22/595,206.78 = 237,446.44/x
  3. Step 3: Cross multiply
    397,469.22x = 595,206.78 × 237,446.44
  4. Step 4: Simplify right side
    397,469.22x = 141,329,730,974.86
  5. Step 5: Solve for x
    x = 141,329,730,974.86/397,469.22
  6. Step 6: Final answer
    x = 355,574.03

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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.