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Finding the Fourth Proportional to 170,748.44, 256,135.04 and 65,567.41

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Solution

The fourth proportional to 170,748.44, 256,135.04 and 65,567.41 is: 98,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.44 : 256,135.04 = 65,567.41 : x
  2. Step 2: Convert to fraction form
    170,748.44/256,135.04 = 65,567.41/x
  3. Step 3: Cross multiply
    170,748.44x = 256,135.04 × 65,567.41
  4. Step 4: Simplify right side
    170,748.44x = 16,794,111,183.05
  5. Step 5: Solve for x
    x = 16,794,111,183.05/170,748.44
  6. Step 6: Final answer
    x = 98,355.87

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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.