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Finding the Fourth Proportional to 193,394.46, 290,042.47 and 60,249.90

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Solution

The fourth proportional to 193,394.46, 290,042.47 and 60,249.90 is: 90,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,394.46 : 290,042.47 = 60,249.90 : x
  2. Step 2: Convert to fraction form
    193,394.46/290,042.47 = 60,249.90/x
  3. Step 3: Cross multiply
    193,394.46x = 290,042.47 × 60,249.90
  4. Step 4: Simplify right side
    193,394.46x = 17,475,029,813.25
  5. Step 5: Solve for x
    x = 17,475,029,813.25/193,394.46
  6. Step 6: Final answer
    x = 90,359.52

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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.