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Finding the Fourth Proportional to 481,898.40, 722,329.20 and 182,263.20

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Solution

The fourth proportional to 481,898.40, 722,329.20 and 182,263.20 is: 273,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,898.40 : 722,329.20 = 182,263.20 : x
  2. Step 2: Convert to fraction form
    481,898.40/722,329.20 = 182,263.20/x
  3. Step 3: Cross multiply
    481,898.40x = 722,329.20 × 182,263.20
  4. Step 4: Simplify right side
    481,898.40x = 131,654,031,445.44
  5. Step 5: Solve for x
    x = 131,654,031,445.44/481,898.40
  6. Step 6: Final answer
    x = 273,198.73

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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.