Home / 269,789.66-372,290.64-148,911.56

Finding the Fourth Proportional to 269,789.66, 372,290.64 and 148,911.56

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Solution

The fourth proportional to 269,789.66, 372,290.64 and 148,911.56 is: 205,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,789.66 : 372,290.64 = 148,911.56 : x
  2. Step 2: Convert to fraction form
    269,789.66/372,290.64 = 148,911.56/x
  3. Step 3: Cross multiply
    269,789.66x = 372,290.64 × 148,911.56
  4. Step 4: Simplify right side
    269,789.66x = 55,438,379,975.80
  5. Step 5: Solve for x
    x = 55,438,379,975.80/269,789.66
  6. Step 6: Final answer
    x = 205,487.42

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1.5x scale

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.