Home / 378,006.39-567,013.83-161,836.02

Finding the Fourth Proportional to 378,006.39, 567,013.83 and 161,836.02

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Solution

The fourth proportional to 378,006.39, 567,013.83 and 161,836.02 is: 242,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,006.39 : 567,013.83 = 161,836.02 : x
  2. Step 2: Convert to fraction form
    378,006.39/567,013.83 = 161,836.02/x
  3. Step 3: Cross multiply
    378,006.39x = 567,013.83 × 161,836.02
  4. Step 4: Simplify right side
    378,006.39x = 91,763,261,532.16
  5. Step 5: Solve for x
    x = 91,763,261,532.16/378,006.39
  6. Step 6: Final answer
    x = 242,755.85

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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.