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Finding the Fourth Proportional to 219,466.80, 329,200.20 and 202,359.60

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Solution

The fourth proportional to 219,466.80, 329,200.20 and 202,359.60 is: 303,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,466.80 : 329,200.20 = 202,359.60 : x
  2. Step 2: Convert to fraction form
    219,466.80/329,200.20 = 202,359.60/x
  3. Step 3: Cross multiply
    219,466.80x = 329,200.20 × 202,359.60
  4. Step 4: Simplify right side
    219,466.80x = 66,616,820,791.92
  5. Step 5: Solve for x
    x = 66,616,820,791.92/219,466.80
  6. Step 6: Final answer
    x = 303,539.40

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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.