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Finding the Fourth Proportional to 225,591, 338,407.38 and 73,788.94

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Solution

The fourth proportional to 225,591, 338,407.38 and 73,788.94 is: 110,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,591 : 338,407.38 = 73,788.94 : x
  2. Step 2: Convert to fraction form
    225,591/338,407.38 = 73,788.94/x
  3. Step 3: Cross multiply
    225,591x = 338,407.38 × 73,788.94
  4. Step 4: Simplify right side
    225,591x = 24,970,721,858.38
  5. Step 5: Solve for x
    x = 24,970,721,858.38/225,591
  6. Step 6: Final answer
    x = 110,690.24

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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.