Home / 226,565.20-339,761.40-68,741.20

Finding the Fourth Proportional to 226,565.20, 339,761.40 and 68,741.20

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Solution

The fourth proportional to 226,565.20, 339,761.40 and 68,741.20 is: 103,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,565.20 : 339,761.40 = 68,741.20 : x
  2. Step 2: Convert to fraction form
    226,565.20/339,761.40 = 68,741.20/x
  3. Step 3: Cross multiply
    226,565.20x = 339,761.40 × 68,741.20
  4. Step 4: Simplify right side
    226,565.20x = 23,355,606,349.68
  5. Step 5: Solve for x
    x = 23,355,606,349.68/226,565.20
  6. Step 6: Final answer
    x = 103,085.59

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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.