Home / 269,806.38-372,323.03-148,945.07

Finding the Fourth Proportional to 269,806.38, 372,323.03 and 148,945.07

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Solution

The fourth proportional to 269,806.38, 372,323.03 and 148,945.07 is: 205,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.38 : 372,323.03 = 148,945.07 : x
  2. Step 2: Convert to fraction form
    269,806.38/372,323.03 = 148,945.07/x
  3. Step 3: Cross multiply
    269,806.38x = 372,323.03 × 148,945.07
  4. Step 4: Simplify right side
    269,806.38x = 55,455,677,159.62
  5. Step 5: Solve for x
    x = 55,455,677,159.62/269,806.38
  6. Step 6: Final answer
    x = 205,538.79

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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.