Home / 331,204.20-496,935.90-120,863.40

Finding the Fourth Proportional to 331,204.20, 496,935.90 and 120,863.40

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Solution

The fourth proportional to 331,204.20, 496,935.90 and 120,863.40 is: 181,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,204.20 : 496,935.90 = 120,863.40 : x
  2. Step 2: Convert to fraction form
    331,204.20/496,935.90 = 120,863.40/x
  3. Step 3: Cross multiply
    331,204.20x = 496,935.90 × 120,863.40
  4. Step 4: Simplify right side
    331,204.20x = 60,061,362,456.06
  5. Step 5: Solve for x
    x = 60,061,362,456.06/331,204.20
  6. Step 6: Final answer
    x = 181,342.39

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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.