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Finding the Fourth Proportional to 226,372.86, 339,521.63 and 68,563.80

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Solution

The fourth proportional to 226,372.86, 339,521.63 and 68,563.80 is: 102,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,372.86 : 339,521.63 = 68,563.80 : x
  2. Step 2: Convert to fraction form
    226,372.86/339,521.63 = 68,563.80/x
  3. Step 3: Cross multiply
    226,372.86x = 339,521.63 × 68,563.80
  4. Step 4: Simplify right side
    226,372.86x = 23,278,892,792.18
  5. Step 5: Solve for x
    x = 23,278,892,792.18/226,372.86
  6. Step 6: Final answer
    x = 102,834.29

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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.