Home / 226,857.38-339,911.64-131,820.79

Finding the Fourth Proportional to 226,857.38, 339,911.64 and 131,820.79

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Solution

The fourth proportional to 226,857.38, 339,911.64 and 131,820.79 is: 197,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,857.38 : 339,911.64 = 131,820.79 : x
  2. Step 2: Convert to fraction form
    226,857.38/339,911.64 = 131,820.79/x
  3. Step 3: Cross multiply
    226,857.38x = 339,911.64 × 131,820.79
  4. Step 4: Simplify right side
    226,857.38x = 44,807,420,915.00
  5. Step 5: Solve for x
    x = 44,807,420,915.00/226,857.38
  6. Step 6: Final answer
    x = 197,513.61

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1.5x scale

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.