Home / 226,015.38-339,077.88-68,234.40

Finding the Fourth Proportional to 226,015.38, 339,077.88 and 68,234.40

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Solution

The fourth proportional to 226,015.38, 339,077.88 and 68,234.40 is: 102,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,015.38 : 339,077.88 = 68,234.40 : x
  2. Step 2: Convert to fraction form
    226,015.38/339,077.88 = 68,234.40/x
  3. Step 3: Cross multiply
    226,015.38x = 339,077.88 × 68,234.40
  4. Step 4: Simplify right side
    226,015.38x = 23,136,775,695.07
  5. Step 5: Solve for x
    x = 23,136,775,695.07/226,015.38
  6. Step 6: Final answer
    x = 102,368.15

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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.