Home / 361,890.27-499,468.45-200,797.21

Finding the Fourth Proportional to 361,890.27, 499,468.45 and 200,797.21

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Solution

The fourth proportional to 361,890.27, 499,468.45 and 200,797.21 is: 277,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,890.27 : 499,468.45 = 200,797.21 : x
  2. Step 2: Convert to fraction form
    361,890.27/499,468.45 = 200,797.21/x
  3. Step 3: Cross multiply
    361,890.27x = 499,468.45 × 200,797.21
  4. Step 4: Simplify right side
    361,890.27x = 100,291,871,243.03
  5. Step 5: Solve for x
    x = 100,291,871,243.03/361,890.27
  6. Step 6: Final answer
    x = 277,133.37

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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.