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Finding the Fourth Proportional to 193,988.44, 290,994.96 and 60,873.95

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Solution

The fourth proportional to 193,988.44, 290,994.96 and 60,873.95 is: 91,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,988.44 : 290,994.96 = 60,873.95 : x
  2. Step 2: Convert to fraction form
    193,988.44/290,994.96 = 60,873.95/x
  3. Step 3: Cross multiply
    193,988.44x = 290,994.96 × 60,873.95
  4. Step 4: Simplify right side
    193,988.44x = 17,714,012,257.01
  5. Step 5: Solve for x
    x = 17,714,012,257.01/193,988.44
  6. Step 6: Final answer
    x = 91,314.78

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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.