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Finding the Fourth Proportional to 226,139.60, 339,258.60 and 68,363.93

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Solution

The fourth proportional to 226,139.60, 339,258.60 and 68,363.93 is: 102,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,139.60 : 339,258.60 = 68,363.93 : x
  2. Step 2: Convert to fraction form
    226,139.60/339,258.60 = 68,363.93/x
  3. Step 3: Cross multiply
    226,139.60x = 339,258.60 × 68,363.93
  4. Step 4: Simplify right side
    226,139.60x = 23,193,051,182.30
  5. Step 5: Solve for x
    x = 23,193,051,182.30/226,139.60
  6. Step 6: Final answer
    x = 102,560.77

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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.