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Finding the Fourth Proportional to 203,627.79, 303,788.16 and 192,605.31

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Solution

The fourth proportional to 203,627.79, 303,788.16 and 192,605.31 is: 287,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,627.79 : 303,788.16 = 192,605.31 : x
  2. Step 2: Convert to fraction form
    203,627.79/303,788.16 = 192,605.31/x
  3. Step 3: Cross multiply
    203,627.79x = 303,788.16 × 192,605.31
  4. Step 4: Simplify right side
    203,627.79x = 58,511,212,731.13
  5. Step 5: Solve for x
    x = 58,511,212,731.13/203,627.79
  6. Step 6: Final answer
    x = 287,343.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.