Home / 361,996.20-499,627.44-209,059.29

Finding the Fourth Proportional to 361,996.20, 499,627.44 and 209,059.29

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Solution

The fourth proportional to 361,996.20, 499,627.44 and 209,059.29 is: 288,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,996.20 : 499,627.44 = 209,059.29 : x
  2. Step 2: Convert to fraction form
    361,996.20/499,627.44 = 209,059.29/x
  3. Step 3: Cross multiply
    361,996.20x = 499,627.44 × 209,059.29
  4. Step 4: Simplify right side
    361,996.20x = 104,451,757,870.92
  5. Step 5: Solve for x
    x = 104,451,757,870.92/361,996.20
  6. Step 6: Final answer
    x = 288,543.80

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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.