Home / 327,890.40-491,835.60-228,163.20

Finding the Fourth Proportional to 327,890.40, 491,835.60 and 228,163.20

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Solution

The fourth proportional to 327,890.40, 491,835.60 and 228,163.20 is: 342,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890.40 : 491,835.60 = 228,163.20 : x
  2. Step 2: Convert to fraction form
    327,890.40/491,835.60 = 228,163.20/x
  3. Step 3: Cross multiply
    327,890.40x = 491,835.60 × 228,163.20
  4. Step 4: Simplify right side
    327,890.40x = 112,218,784,369.92
  5. Step 5: Solve for x
    x = 112,218,784,369.92/327,890.40
  6. Step 6: Final answer
    x = 342,244.80

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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.