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Finding the Fourth Proportional to 330,618.60, 494,891.10 and 237,306.60

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Solution

The fourth proportional to 330,618.60, 494,891.10 and 237,306.60 is: 355,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,618.60 : 494,891.10 = 237,306.60 : x
  2. Step 2: Convert to fraction form
    330,618.60/494,891.10 = 237,306.60/x
  3. Step 3: Cross multiply
    330,618.60x = 494,891.10 × 237,306.60
  4. Step 4: Simplify right side
    330,618.60x = 117,440,924,311.26
  5. Step 5: Solve for x
    x = 117,440,924,311.26/330,618.60
  6. Step 6: Final answer
    x = 355,215.72

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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.