Home / 361,811.07-499,329.90-200,718

Finding the Fourth Proportional to 361,811.07, 499,329.90 and 200,718

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Solution

The fourth proportional to 361,811.07, 499,329.90 and 200,718 is: 277,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,811.07 : 499,329.90 = 200,718 : x
  2. Step 2: Convert to fraction form
    361,811.07/499,329.90 = 200,718/x
  3. Step 3: Cross multiply
    361,811.07x = 499,329.90 × 200,718
  4. Step 4: Simplify right side
    361,811.07x = 100,224,498,868.20
  5. Step 5: Solve for x
    x = 100,224,498,868.20/361,811.07
  6. Step 6: Final answer
    x = 277,007.83

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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.