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Finding the Fourth Proportional to 652,183.38, 978,316.83 and 225,760.26

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Solution

The fourth proportional to 652,183.38, 978,316.83 and 225,760.26 is: 338,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,183.38 : 978,316.83 = 225,760.26 : x
  2. Step 2: Convert to fraction form
    652,183.38/978,316.83 = 225,760.26/x
  3. Step 3: Cross multiply
    652,183.38x = 978,316.83 × 225,760.26
  4. Step 4: Simplify right side
    652,183.38x = 220,865,061,903.18
  5. Step 5: Solve for x
    x = 220,865,061,903.18/652,183.38
  6. Step 6: Final answer
    x = 338,654.85

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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.