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Finding the Fourth Proportional to 225,591.78, 338,463.06 and 73,795.78

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Solution

The fourth proportional to 225,591.78, 338,463.06 and 73,795.78 is: 110,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,591.78 : 338,463.06 = 73,795.78 : x
  2. Step 2: Convert to fraction form
    225,591.78/338,463.06 = 73,795.78/x
  3. Step 3: Cross multiply
    225,591.78x = 338,463.06 × 73,795.78
  4. Step 4: Simplify right side
    225,591.78x = 24,977,144,667.73
  5. Step 5: Solve for x
    x = 24,977,144,667.73/225,591.78
  6. Step 6: Final answer
    x = 110,718.33

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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.