Home / 226,435.20-339,566.40-68,611.20

Finding the Fourth Proportional to 226,435.20, 339,566.40 and 68,611.20

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Solution

The fourth proportional to 226,435.20, 339,566.40 and 68,611.20 is: 102,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,435.20 : 339,566.40 = 68,611.20 : x
  2. Step 2: Convert to fraction form
    226,435.20/339,566.40 = 68,611.20/x
  3. Step 3: Cross multiply
    226,435.20x = 339,566.40 × 68,611.20
  4. Step 4: Simplify right side
    226,435.20x = 23,298,058,183.68
  5. Step 5: Solve for x
    x = 23,298,058,183.68/226,435.20
  6. Step 6: Final answer
    x = 102,890.62

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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.