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Finding the Fourth Proportional to 226,847.16, 313,067.16 and 131,355.54

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Solution

The fourth proportional to 226,847.16, 313,067.16 and 131,355.54 is: 181,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,847.16 : 313,067.16 = 131,355.54 : x
  2. Step 2: Convert to fraction form
    226,847.16/313,067.16 = 131,355.54/x
  3. Step 3: Cross multiply
    226,847.16x = 313,067.16 × 131,355.54
  4. Step 4: Simplify right side
    226,847.16x = 41,123,105,858.07
  5. Step 5: Solve for x
    x = 41,123,105,858.07/226,847.16
  6. Step 6: Final answer
    x = 181,281.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.