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Finding the Fourth Proportional to 269,878.75, 372,433.23 and 149,020.27

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Solution

The fourth proportional to 269,878.75, 372,433.23 and 149,020.27 is: 205,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,878.75 : 372,433.23 = 149,020.27 : x
  2. Step 2: Convert to fraction form
    269,878.75/372,433.23 = 149,020.27/x
  3. Step 3: Cross multiply
    269,878.75x = 372,433.23 × 149,020.27
  4. Step 4: Simplify right side
    269,878.75x = 55,500,099,560.49
  5. Step 5: Solve for x
    x = 55,500,099,560.49/269,878.75
  6. Step 6: Final answer
    x = 205,648.28

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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.