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Finding the Fourth Proportional to 269,247.60, 371,559.96 and 148,389

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Solution

The fourth proportional to 269,247.60, 371,559.96 and 148,389 is: 204,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,247.60 : 371,559.96 = 148,389 : x
  2. Step 2: Convert to fraction form
    269,247.60/371,559.96 = 148,389/x
  3. Step 3: Cross multiply
    269,247.60x = 371,559.96 × 148,389
  4. Step 4: Simplify right side
    269,247.60x = 55,135,410,904.44
  5. Step 5: Solve for x
    x = 55,135,410,904.44/269,247.60
  6. Step 6: Final answer
    x = 204,775.87

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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.