Home / 331,113.60-496,488.96-131,231.52

Finding the Fourth Proportional to 331,113.60, 496,488.96 and 131,231.52

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Solution

The fourth proportional to 331,113.60, 496,488.96 and 131,231.52 is: 196,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.60 : 496,488.96 = 131,231.52 : x
  2. Step 2: Convert to fraction form
    331,113.60/496,488.96 = 131,231.52/x
  3. Step 3: Cross multiply
    331,113.60x = 496,488.96 × 131,231.52
  4. Step 4: Simplify right side
    331,113.60x = 65,155,000,884.02
  5. Step 5: Solve for x
    x = 65,155,000,884.02/331,113.60
  6. Step 6: Final answer
    x = 196,775.37

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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.