Home / 327,025.10-489,977.10-259,764.60

Finding the Fourth Proportional to 327,025.10, 489,977.10 and 259,764.60

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Solution

The fourth proportional to 327,025.10, 489,977.10 and 259,764.60 is: 389,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,025.10 : 489,977.10 = 259,764.60 : x
  2. Step 2: Convert to fraction form
    327,025.10/489,977.10 = 259,764.60/x
  3. Step 3: Cross multiply
    327,025.10x = 489,977.10 × 259,764.60
  4. Step 4: Simplify right side
    327,025.10x = 127,278,703,093.89
  5. Step 5: Solve for x
    x = 127,278,703,093.89/327,025.10
  6. Step 6: Final answer
    x = 389,201.64

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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.