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Finding the Fourth Proportional to 193,829.71, 290,744.56 and 60,710.44

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Solution

The fourth proportional to 193,829.71, 290,744.56 and 60,710.44 is: 91,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,829.71 : 290,744.56 = 60,710.44 : x
  2. Step 2: Convert to fraction form
    193,829.71/290,744.56 = 60,710.44/x
  3. Step 3: Cross multiply
    193,829.71x = 290,744.56 × 60,710.44
  4. Step 4: Simplify right side
    193,829.71x = 17,651,229,412.41
  5. Step 5: Solve for x
    x = 17,651,229,412.41/193,829.71
  6. Step 6: Final answer
    x = 91,065.65

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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.