Home / 230,933.40-346,515.30-131,170.20

Finding the Fourth Proportional to 230,933.40, 346,515.30 and 131,170.20

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Solution

The fourth proportional to 230,933.40, 346,515.30 and 131,170.20 is: 196,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,933.40 : 346,515.30 = 131,170.20 : x
  2. Step 2: Convert to fraction form
    230,933.40/346,515.30 = 131,170.20/x
  3. Step 3: Cross multiply
    230,933.40x = 346,515.30 × 131,170.20
  4. Step 4: Simplify right side
    230,933.40x = 45,452,481,204.06
  5. Step 5: Solve for x
    x = 45,452,481,204.06/230,933.40
  6. Step 6: Final answer
    x = 196,820.73

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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.