Home / 226,403.20-339,161.10-131,434.33

Finding the Fourth Proportional to 226,403.20, 339,161.10 and 131,434.33

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Solution

The fourth proportional to 226,403.20, 339,161.10 and 131,434.33 is: 196,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,403.20 : 339,161.10 = 131,434.33 : x
  2. Step 2: Convert to fraction form
    226,403.20/339,161.10 = 131,434.33/x
  3. Step 3: Cross multiply
    226,403.20x = 339,161.10 × 131,434.33
  4. Step 4: Simplify right side
    226,403.20x = 44,577,411,940.56
  5. Step 5: Solve for x
    x = 44,577,411,940.56/226,403.20
  6. Step 6: Final answer
    x = 196,893.91

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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.