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Finding the Fourth Proportional to 617,245.72, 925,942.56 and 217,804

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Solution

The fourth proportional to 617,245.72, 925,942.56 and 217,804 is: 326,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,245.72 : 925,942.56 = 217,804 : x
  2. Step 2: Convert to fraction form
    617,245.72/925,942.56 = 217,804/x
  3. Step 3: Cross multiply
    617,245.72x = 925,942.56 × 217,804
  4. Step 4: Simplify right side
    617,245.72x = 201,673,993,338.24
  5. Step 5: Solve for x
    x = 201,673,993,338.24/617,245.72
  6. Step 6: Final answer
    x = 326,732.10

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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.