Home / 269,849.30-372,406.61-148,990.21

Finding the Fourth Proportional to 269,849.30, 372,406.61 and 148,990.21

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Solution

The fourth proportional to 269,849.30, 372,406.61 and 148,990.21 is: 205,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,849.30 : 372,406.61 = 148,990.21 : x
  2. Step 2: Convert to fraction form
    269,849.30/372,406.61 = 148,990.21/x
  3. Step 3: Cross multiply
    269,849.30x = 372,406.61 × 148,990.21
  4. Step 4: Simplify right side
    269,849.30x = 55,484,938,470.75
  5. Step 5: Solve for x
    x = 55,484,938,470.75/269,849.30
  6. Step 6: Final answer
    x = 205,614.54

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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.