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Finding the Fourth Proportional to 471,843.35, 707,495.13 and 218,993.64

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Solution

The fourth proportional to 471,843.35, 707,495.13 and 218,993.64 is: 328,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,843.35 : 707,495.13 = 218,993.64 : x
  2. Step 2: Convert to fraction form
    471,843.35/707,495.13 = 218,993.64/x
  3. Step 3: Cross multiply
    471,843.35x = 707,495.13 × 218,993.64
  4. Step 4: Simplify right side
    471,843.35x = 154,936,933,800.97
  5. Step 5: Solve for x
    x = 154,936,933,800.97/471,843.35
  6. Step 6: Final answer
    x = 328,365.20

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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.