Home / 381,845.60-572,768.40-132,527.60

Finding the Fourth Proportional to 381,845.60, 572,768.40 and 132,527.60

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Solution

The fourth proportional to 381,845.60, 572,768.40 and 132,527.60 is: 198,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,845.60 : 572,768.40 = 132,527.60 : x
  2. Step 2: Convert to fraction form
    381,845.60/572,768.40 = 132,527.60/x
  3. Step 3: Cross multiply
    381,845.60x = 572,768.40 × 132,527.60
  4. Step 4: Simplify right side
    381,845.60x = 75,907,621,407.84
  5. Step 5: Solve for x
    x = 75,907,621,407.84/381,845.60
  6. Step 6: Final answer
    x = 198,791.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.