Home / 226,738.20-339,884.10-126,946.20

Finding the Fourth Proportional to 226,738.20, 339,884.10 and 126,946.20

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Solution

The fourth proportional to 226,738.20, 339,884.10 and 126,946.20 is: 190,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,738.20 : 339,884.10 = 126,946.20 : x
  2. Step 2: Convert to fraction form
    226,738.20/339,884.10 = 126,946.20/x
  3. Step 3: Cross multiply
    226,738.20x = 339,884.10 × 126,946.20
  4. Step 4: Simplify right side
    226,738.20x = 43,146,994,935.42
  5. Step 5: Solve for x
    x = 43,146,994,935.42/226,738.20
  6. Step 6: Final answer
    x = 190,294.33

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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.