Home / 419,983.38-629,977.50-104,440.32

Finding the Fourth Proportional to 419,983.38, 629,977.50 and 104,440.32

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Solution

The fourth proportional to 419,983.38, 629,977.50 and 104,440.32 is: 156,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,983.38 : 629,977.50 = 104,440.32 : x
  2. Step 2: Convert to fraction form
    419,983.38/629,977.50 = 104,440.32/x
  3. Step 3: Cross multiply
    419,983.38x = 629,977.50 × 104,440.32
  4. Step 4: Simplify right side
    419,983.38x = 65,795,051,692.80
  5. Step 5: Solve for x
    x = 65,795,051,692.80/419,983.38
  6. Step 6: Final answer
    x = 156,661.08

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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.