Home / 361,900.20-499,438.66-200,755.36

Finding the Fourth Proportional to 361,900.20, 499,438.66 and 200,755.36

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Solution

The fourth proportional to 361,900.20, 499,438.66 and 200,755.36 is: 277,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,900.20 : 499,438.66 = 200,755.36 : x
  2. Step 2: Convert to fraction form
    361,900.20/499,438.66 = 200,755.36/x
  3. Step 3: Cross multiply
    361,900.20x = 499,438.66 × 200,755.36
  4. Step 4: Simplify right side
    361,900.20x = 100,264,988,485.04
  5. Step 5: Solve for x
    x = 100,264,988,485.04/361,900.20
  6. Step 6: Final answer
    x = 277,051.48

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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.