Home / 419,983.11-629,977.17-104,440.02

Finding the Fourth Proportional to 419,983.11, 629,977.17 and 104,440.02

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Solution

The fourth proportional to 419,983.11, 629,977.17 and 104,440.02 is: 156,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,983.11 : 629,977.17 = 104,440.02 : x
  2. Step 2: Convert to fraction form
    419,983.11/629,977.17 = 104,440.02/x
  3. Step 3: Cross multiply
    419,983.11x = 629,977.17 × 104,440.02
  4. Step 4: Simplify right side
    419,983.11x = 65,794,828,234.34
  5. Step 5: Solve for x
    x = 65,794,828,234.34/419,983.11
  6. Step 6: Final answer
    x = 156,660.65

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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.