Home / 226,432.10-339,680.55-68,672.90

Finding the Fourth Proportional to 226,432.10, 339,680.55 and 68,672.90

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Solution

The fourth proportional to 226,432.10, 339,680.55 and 68,672.90 is: 103,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,432.10 : 339,680.55 = 68,672.90 : x
  2. Step 2: Convert to fraction form
    226,432.10/339,680.55 = 68,672.90/x
  3. Step 3: Cross multiply
    226,432.10x = 339,680.55 × 68,672.90
  4. Step 4: Simplify right side
    226,432.10x = 23,326,848,442.10
  5. Step 5: Solve for x
    x = 23,326,848,442.10/226,432.10
  6. Step 6: Final answer
    x = 103,019.18

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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.