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Finding the Fourth Proportional to 300,773.56, 415,067.34 and 164,812.63

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Solution

The fourth proportional to 300,773.56, 415,067.34 and 164,812.63 is: 227,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,773.56 : 415,067.34 = 164,812.63 : x
  2. Step 2: Convert to fraction form
    300,773.56/415,067.34 = 164,812.63/x
  3. Step 3: Cross multiply
    300,773.56x = 415,067.34 × 164,812.63
  4. Step 4: Simplify right side
    300,773.56x = 68,408,339,932.50
  5. Step 5: Solve for x
    x = 68,408,339,932.50/300,773.56
  6. Step 6: Final answer
    x = 227,441.33

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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.