Home / 269,288.57-371,620.70-148,434.49

Finding the Fourth Proportional to 269,288.57, 371,620.70 and 148,434.49

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Solution

The fourth proportional to 269,288.57, 371,620.70 and 148,434.49 is: 204,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,288.57 : 371,620.70 = 148,434.49 : x
  2. Step 2: Convert to fraction form
    269,288.57/371,620.70 = 148,434.49/x
  3. Step 3: Cross multiply
    269,288.57x = 371,620.70 × 148,434.49
  4. Step 4: Simplify right side
    269,288.57x = 55,161,327,406.72
  5. Step 5: Solve for x
    x = 55,161,327,406.72/269,288.57
  6. Step 6: Final answer
    x = 204,840.96

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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.