Home / 260,908.11-390,993.11-110,997.46

Finding the Fourth Proportional to 260,908.11, 390,993.11 and 110,997.46

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Solution

The fourth proportional to 260,908.11, 390,993.11 and 110,997.46 is: 166,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,908.11 : 390,993.11 = 110,997.46 : x
  2. Step 2: Convert to fraction form
    260,908.11/390,993.11 = 110,997.46/x
  3. Step 3: Cross multiply
    260,908.11x = 390,993.11 × 110,997.46
  4. Step 4: Simplify right side
    260,908.11x = 43,399,244,005.43
  5. Step 5: Solve for x
    x = 43,399,244,005.43/260,908.11
  6. Step 6: Final answer
    x = 166,339.19

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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.