Home / 681,015.90-1,021,169.13-254,200.73

Finding the Fourth Proportional to 681,015.90, 1,021,169.13 and 254,200.73

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Solution

The fourth proportional to 681,015.90, 1,021,169.13 and 254,200.73 is: 381,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,015.90 : 1,021,169.13 = 254,200.73 : x
  2. Step 2: Convert to fraction form
    681,015.90/1,021,169.13 = 254,200.73/x
  3. Step 3: Cross multiply
    681,015.90x = 1,021,169.13 × 254,200.73
  4. Step 4: Simplify right side
    681,015.90x = 259,581,937,984.44
  5. Step 5: Solve for x
    x = 259,581,937,984.44/681,015.90
  6. Step 6: Final answer
    x = 381,168.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.