Home / 265,647.24-398,518.20-88,164.72

Finding the Fourth Proportional to 265,647.24, 398,518.20 and 88,164.72

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Solution

The fourth proportional to 265,647.24, 398,518.20 and 88,164.72 is: 132,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,647.24 : 398,518.20 = 88,164.72 : x
  2. Step 2: Convert to fraction form
    265,647.24/398,518.20 = 88,164.72/x
  3. Step 3: Cross multiply
    265,647.24x = 398,518.20 × 88,164.72
  4. Step 4: Simplify right side
    265,647.24x = 35,135,245,517.90
  5. Step 5: Solve for x
    x = 35,135,245,517.90/265,647.24
  6. Step 6: Final answer
    x = 132,262.79

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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.