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Finding the Fourth Proportional to 226,011.78, 338,894.64 and 68,219.73

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Solution

The fourth proportional to 226,011.78, 338,894.64 and 68,219.73 is: 102,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,011.78 : 338,894.64 = 68,219.73 : x
  2. Step 2: Convert to fraction form
    226,011.78/338,894.64 = 68,219.73/x
  3. Step 3: Cross multiply
    226,011.78x = 338,894.64 × 68,219.73
  4. Step 4: Simplify right side
    226,011.78x = 23,119,300,839.25
  5. Step 5: Solve for x
    x = 23,119,300,839.25/226,011.78
  6. Step 6: Final answer
    x = 102,292.46

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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.