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Finding the Fourth Proportional to 367,937.80, 551,469.30 and 330,321.40

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Solution

The fourth proportional to 367,937.80, 551,469.30 and 330,321.40 is: 495,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,937.80 : 551,469.30 = 330,321.40 : x
  2. Step 2: Convert to fraction form
    367,937.80/551,469.30 = 330,321.40/x
  3. Step 3: Cross multiply
    367,937.80x = 551,469.30 × 330,321.40
  4. Step 4: Simplify right side
    367,937.80x = 182,162,111,233.02
  5. Step 5: Solve for x
    x = 182,162,111,233.02/367,937.80
  6. Step 6: Final answer
    x = 495,089.42

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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.