Home / 331,234.02-496,859.19-120,871.89

Finding the Fourth Proportional to 331,234.02, 496,859.19 and 120,871.89

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Solution

The fourth proportional to 331,234.02, 496,859.19 and 120,871.89 is: 181,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,234.02 : 496,859.19 = 120,871.89 : x
  2. Step 2: Convert to fraction form
    331,234.02/496,859.19 = 120,871.89/x
  3. Step 3: Cross multiply
    331,234.02x = 496,859.19 × 120,871.89
  4. Step 4: Simplify right side
    331,234.02x = 60,056,309,359.17
  5. Step 5: Solve for x
    x = 60,056,309,359.17/331,234.02
  6. Step 6: Final answer
    x = 181,310.81

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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.