Home / 226,385.12-339,340.96-126,398.72

Finding the Fourth Proportional to 226,385.12, 339,340.96 and 126,398.72

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Solution

The fourth proportional to 226,385.12, 339,340.96 and 126,398.72 is: 189,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,385.12 : 339,340.96 = 126,398.72 : x
  2. Step 2: Convert to fraction form
    226,385.12/339,340.96 = 126,398.72/x
  3. Step 3: Cross multiply
    226,385.12x = 339,340.96 × 126,398.72
  4. Step 4: Simplify right side
    226,385.12x = 42,892,262,987.57
  5. Step 5: Solve for x
    x = 42,892,262,987.57/226,385.12
  6. Step 6: Final answer
    x = 189,465.91

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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.