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Finding the Fourth Proportional to 222,788.80, 333,211.20 and 199,266.40

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Solution

The fourth proportional to 222,788.80, 333,211.20 and 199,266.40 is: 298,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,788.80 : 333,211.20 = 199,266.40 : x
  2. Step 2: Convert to fraction form
    222,788.80/333,211.20 = 199,266.40/x
  3. Step 3: Cross multiply
    222,788.80x = 333,211.20 × 199,266.40
  4. Step 4: Simplify right side
    222,788.80x = 66,397,796,263.68
  5. Step 5: Solve for x
    x = 66,397,796,263.68/222,788.80
  6. Step 6: Final answer
    x = 298,030.23

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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.