Home / 331,374.08-496,940.16-120,949.76

Finding the Fourth Proportional to 331,374.08, 496,940.16 and 120,949.76

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Solution

The fourth proportional to 331,374.08, 496,940.16 and 120,949.76 is: 181,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,374.08 : 496,940.16 = 120,949.76 : x
  2. Step 2: Convert to fraction form
    331,374.08/496,940.16 = 120,949.76/x
  3. Step 3: Cross multiply
    331,374.08x = 496,940.16 × 120,949.76
  4. Step 4: Simplify right side
    331,374.08x = 60,104,793,086.36
  5. Step 5: Solve for x
    x = 60,104,793,086.36/331,374.08
  6. Step 6: Final answer
    x = 181,380.49

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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.