Home / 361,976.92-499,528.21-200,831.58

Finding the Fourth Proportional to 361,976.92, 499,528.21 and 200,831.58

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Solution

The fourth proportional to 361,976.92, 499,528.21 and 200,831.58 is: 277,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,976.92 : 499,528.21 = 200,831.58 : x
  2. Step 2: Convert to fraction form
    361,976.92/499,528.21 = 200,831.58/x
  3. Step 3: Cross multiply
    361,976.92x = 499,528.21 × 200,831.58
  4. Step 4: Simplify right side
    361,976.92x = 100,321,038,942.32
  5. Step 5: Solve for x
    x = 100,321,038,942.32/361,976.92
  6. Step 6: Final answer
    x = 277,147.61

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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.