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Finding the Fourth Proportional to 193,880.48, 290,812.48 and 60,757.80

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Solution

The fourth proportional to 193,880.48, 290,812.48 and 60,757.80 is: 91,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,880.48 : 290,812.48 = 60,757.80 : x
  2. Step 2: Convert to fraction form
    193,880.48/290,812.48 = 60,757.80/x
  3. Step 3: Cross multiply
    193,880.48x = 290,812.48 × 60,757.80
  4. Step 4: Simplify right side
    193,880.48x = 17,669,126,497.34
  5. Step 5: Solve for x
    x = 17,669,126,497.34/193,880.48
  6. Step 6: Final answer
    x = 91,134.12

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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.