Home / 231,301.20-346,579.20-131,163.60

Finding the Fourth Proportional to 231,301.20, 346,579.20 and 131,163.60

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Solution

The fourth proportional to 231,301.20, 346,579.20 and 131,163.60 is: 196,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,301.20 : 346,579.20 = 131,163.60 : x
  2. Step 2: Convert to fraction form
    231,301.20/346,579.20 = 131,163.60/x
  3. Step 3: Cross multiply
    231,301.20x = 346,579.20 × 131,163.60
  4. Step 4: Simplify right side
    231,301.20x = 45,458,575,557.12
  5. Step 5: Solve for x
    x = 45,458,575,557.12/231,301.20
  6. Step 6: Final answer
    x = 196,534.11

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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.