Home / 226,520.10-339,780.15-108,422.10

Finding the Fourth Proportional to 226,520.10, 339,780.15 and 108,422.10

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Solution

The fourth proportional to 226,520.10, 339,780.15 and 108,422.10 is: 162,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,520.10 : 339,780.15 = 108,422.10 : x
  2. Step 2: Convert to fraction form
    226,520.10/339,780.15 = 108,422.10/x
  3. Step 3: Cross multiply
    226,520.10x = 339,780.15 × 108,422.10
  4. Step 4: Simplify right side
    226,520.10x = 36,839,677,401.32
  5. Step 5: Solve for x
    x = 36,839,677,401.32/226,520.10
  6. Step 6: Final answer
    x = 162,633.15

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1.5x scale

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.