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Finding the Fourth Proportional to 481,604.10, 722,622.15 and 166,287.30

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Solution

The fourth proportional to 481,604.10, 722,622.15 and 166,287.30 is: 249,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,604.10 : 722,622.15 = 166,287.30 : x
  2. Step 2: Convert to fraction form
    481,604.10/722,622.15 = 166,287.30/x
  3. Step 3: Cross multiply
    481,604.10x = 722,622.15 × 166,287.30
  4. Step 4: Simplify right side
    481,604.10x = 120,162,886,243.70
  5. Step 5: Solve for x
    x = 120,162,886,243.70/481,604.10
  6. Step 6: Final answer
    x = 249,505.53

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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.