Home / 269,048.05-371,288.82-148,189.78

Finding the Fourth Proportional to 269,048.05, 371,288.82 and 148,189.78

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Solution

The fourth proportional to 269,048.05, 371,288.82 and 148,189.78 is: 204,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,048.05 : 371,288.82 = 148,189.78 : x
  2. Step 2: Convert to fraction form
    269,048.05/371,288.82 = 148,189.78/x
  3. Step 3: Cross multiply
    269,048.05x = 371,288.82 × 148,189.78
  4. Step 4: Simplify right side
    269,048.05x = 55,021,208,552.26
  5. Step 5: Solve for x
    x = 55,021,208,552.26/269,048.05
  6. Step 6: Final answer
    x = 204,503.28

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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.