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Finding the Fourth Proportional to 226,073.40, 339,110.10 and 131,465.40

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Solution

The fourth proportional to 226,073.40, 339,110.10 and 131,465.40 is: 197,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,073.40 : 339,110.10 = 131,465.40 : x
  2. Step 2: Convert to fraction form
    226,073.40/339,110.10 = 131,465.40/x
  3. Step 3: Cross multiply
    226,073.40x = 339,110.10 × 131,465.40
  4. Step 4: Simplify right side
    226,073.40x = 44,581,244,940.54
  5. Step 5: Solve for x
    x = 44,581,244,940.54/226,073.40
  6. Step 6: Final answer
    x = 197,198.10

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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.