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Finding the Fourth Proportional to 170,540.60, 255,665.02 and 65,435

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Solution

The fourth proportional to 170,540.60, 255,665.02 and 65,435 is: 98,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,540.60 : 255,665.02 = 65,435 : x
  2. Step 2: Convert to fraction form
    170,540.60/255,665.02 = 65,435/x
  3. Step 3: Cross multiply
    170,540.60x = 255,665.02 × 65,435
  4. Step 4: Simplify right side
    170,540.60x = 16,729,440,583.70
  5. Step 5: Solve for x
    x = 16,729,440,583.70/170,540.60
  6. Step 6: Final answer
    x = 98,096.53

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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.