Home / 361,839.10-499,317.60-200,682.58

Finding the Fourth Proportional to 361,839.10, 499,317.60 and 200,682.58

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Solution

The fourth proportional to 361,839.10, 499,317.60 and 200,682.58 is: 276,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,839.10 : 499,317.60 = 200,682.58 : x
  2. Step 2: Convert to fraction form
    361,839.10/499,317.60 = 200,682.58/x
  3. Step 3: Cross multiply
    361,839.10x = 499,317.60 × 200,682.58
  4. Step 4: Simplify right side
    361,839.10x = 100,204,344,207.41
  5. Step 5: Solve for x
    x = 100,204,344,207.41/361,839.10
  6. Step 6: Final answer
    x = 276,930.67

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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.