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Finding the Fourth Proportional to 40,197.60, 60,300 and 10,615.04

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Solution

The fourth proportional to 40,197.60, 60,300 and 10,615.04 is: 15,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,197.60 : 60,300 = 10,615.04 : x
  2. Step 2: Convert to fraction form
    40,197.60/60,300 = 10,615.04/x
  3. Step 3: Cross multiply
    40,197.60x = 60,300 × 10,615.04
  4. Step 4: Simplify right side
    40,197.60x = 640,086,912
  5. Step 5: Solve for x
    x = 640,086,912/40,197.60
  6. Step 6: Final answer
    x = 15,923.51

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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.