Home / 274,517.28-411,771.60-87,527.52

Finding the Fourth Proportional to 274,517.28, 411,771.60 and 87,527.52

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Solution

The fourth proportional to 274,517.28, 411,771.60 and 87,527.52 is: 131,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,517.28 : 411,771.60 = 87,527.52 : x
  2. Step 2: Convert to fraction form
    274,517.28/411,771.60 = 87,527.52/x
  3. Step 3: Cross multiply
    274,517.28x = 411,771.60 × 87,527.52
  4. Step 4: Simplify right side
    274,517.28x = 36,041,346,954.43
  5. Step 5: Solve for x
    x = 36,041,346,954.43/274,517.28
  6. Step 6: Final answer
    x = 131,289.90

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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.