Home / 400,216.33-552,311.72-218,924.11

Finding the Fourth Proportional to 400,216.33, 552,311.72 and 218,924.11

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Solution

The fourth proportional to 400,216.33, 552,311.72 and 218,924.11 is: 302,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,216.33 : 552,311.72 = 218,924.11 : x
  2. Step 2: Convert to fraction form
    400,216.33/552,311.72 = 218,924.11/x
  3. Step 3: Cross multiply
    400,216.33x = 552,311.72 × 218,924.11
  4. Step 4: Simplify right side
    400,216.33x = 120,914,352,160.30
  5. Step 5: Solve for x
    x = 120,914,352,160.30/400,216.33
  6. Step 6: Final answer
    x = 302,122.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.