Home / 269,783.28-372,321.54-148,947.84

Finding the Fourth Proportional to 269,783.28, 372,321.54 and 148,947.84

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Solution

The fourth proportional to 269,783.28, 372,321.54 and 148,947.84 is: 205,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,783.28 : 372,321.54 = 148,947.84 : x
  2. Step 2: Convert to fraction form
    269,783.28/372,321.54 = 148,947.84/x
  3. Step 3: Cross multiply
    269,783.28x = 372,321.54 × 148,947.84
  4. Step 4: Simplify right side
    269,783.28x = 55,456,489,168.47
  5. Step 5: Solve for x
    x = 55,456,489,168.47/269,783.28
  6. Step 6: Final answer
    x = 205,559.40

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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.