Home / 284,928.90-394,999.98-269,760.84

Finding the Fourth Proportional to 284,928.90, 394,999.98 and 269,760.84

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Solution

The fourth proportional to 284,928.90, 394,999.98 and 269,760.84 is: 373,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,928.90 : 394,999.98 = 269,760.84 : x
  2. Step 2: Convert to fraction form
    284,928.90/394,999.98 = 269,760.84/x
  3. Step 3: Cross multiply
    284,928.90x = 394,999.98 × 269,760.84
  4. Step 4: Simplify right side
    284,928.90x = 106,555,526,404.78
  5. Step 5: Solve for x
    x = 106,555,526,404.78/284,928.90
  6. Step 6: Final answer
    x = 373,972.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.