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Finding the Fourth Proportional to 353,994.29, 488,517.41 and 192,849.29

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Solution

The fourth proportional to 353,994.29, 488,517.41 and 192,849.29 is: 266,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,994.29 : 488,517.41 = 192,849.29 : x
  2. Step 2: Convert to fraction form
    353,994.29/488,517.41 = 192,849.29/x
  3. Step 3: Cross multiply
    353,994.29x = 488,517.41 × 192,849.29
  4. Step 4: Simplify right side
    353,994.29x = 94,210,235,542.62
  5. Step 5: Solve for x
    x = 94,210,235,542.62/353,994.29
  6. Step 6: Final answer
    x = 266,134.90

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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.