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Finding the Fourth Proportional to 216,022.80, 323,880.60 and 82,851.60

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Solution

The fourth proportional to 216,022.80, 323,880.60 and 82,851.60 is: 124,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022.80 : 323,880.60 = 82,851.60 : x
  2. Step 2: Convert to fraction form
    216,022.80/323,880.60 = 82,851.60/x
  3. Step 3: Cross multiply
    216,022.80x = 323,880.60 × 82,851.60
  4. Step 4: Simplify right side
    216,022.80x = 26,834,025,918.96
  5. Step 5: Solve for x
    x = 26,834,025,918.96/216,022.80
  6. Step 6: Final answer
    x = 124,218.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.