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Finding the Fourth Proportional to 337,200.80, 505,801.20 and 309,644.60

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Solution

The fourth proportional to 337,200.80, 505,801.20 and 309,644.60 is: 464,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,200.80 : 505,801.20 = 309,644.60 : x
  2. Step 2: Convert to fraction form
    337,200.80/505,801.20 = 309,644.60/x
  3. Step 3: Cross multiply
    337,200.80x = 505,801.20 × 309,644.60
  4. Step 4: Simplify right side
    337,200.80x = 156,618,610,253.52
  5. Step 5: Solve for x
    x = 156,618,610,253.52/337,200.80
  6. Step 6: Final answer
    x = 464,466.90

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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.