Home / 331,093.30-496,713.99-120,731.24

Finding the Fourth Proportional to 331,093.30, 496,713.99 and 120,731.24

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Solution

The fourth proportional to 331,093.30, 496,713.99 and 120,731.24 is: 181,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,093.30 : 496,713.99 = 120,731.24 : x
  2. Step 2: Convert to fraction form
    331,093.30/496,713.99 = 120,731.24/x
  3. Step 3: Cross multiply
    331,093.30x = 496,713.99 × 120,731.24
  4. Step 4: Simplify right side
    331,093.30x = 59,968,895,938.05
  5. Step 5: Solve for x
    x = 59,968,895,938.05/331,093.30
  6. Step 6: Final answer
    x = 181,123.86

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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.