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Finding the Fourth Proportional to 400,097.88, 552,149.88 and 218,799.12

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Solution

The fourth proportional to 400,097.88, 552,149.88 and 218,799.12 is: 301,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,097.88 : 552,149.88 = 218,799.12 : x
  2. Step 2: Convert to fraction form
    400,097.88/552,149.88 = 218,799.12/x
  3. Step 3: Cross multiply
    400,097.88x = 552,149.88 × 218,799.12
  4. Step 4: Simplify right side
    400,097.88x = 120,809,907,852.11
  5. Step 5: Solve for x
    x = 120,809,907,852.11/400,097.88
  6. Step 6: Final answer
    x = 301,950.88

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