Home / 331,239.30-496,867.05-120,877.17

Finding the Fourth Proportional to 331,239.30, 496,867.05 and 120,877.17

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Solution

The fourth proportional to 331,239.30, 496,867.05 and 120,877.17 is: 181,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,239.30 : 496,867.05 = 120,877.17 : x
  2. Step 2: Convert to fraction form
    331,239.30/496,867.05 = 120,877.17/x
  3. Step 3: Cross multiply
    331,239.30x = 496,867.05 × 120,877.17
  4. Step 4: Simplify right side
    331,239.30x = 60,059,882,870.25
  5. Step 5: Solve for x
    x = 60,059,882,870.25/331,239.30
  6. Step 6: Final answer
    x = 181,318.71

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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.