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Finding the Fourth Proportional to 240,022, 331,230.36 and 134,038

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Solution

The fourth proportional to 240,022, 331,230.36 and 134,038 is: 184,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,022 : 331,230.36 = 134,038 : x
  2. Step 2: Convert to fraction form
    240,022/331,230.36 = 134,038/x
  3. Step 3: Cross multiply
    240,022x = 331,230.36 × 134,038
  4. Step 4: Simplify right side
    240,022x = 44,397,454,993.68
  5. Step 5: Solve for x
    x = 44,397,454,993.68/240,022
  6. Step 6: Final answer
    x = 184,972.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.