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Finding the Fourth Proportional to 481,350.47, 722,042.44 and 228,500.70

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Solution

The fourth proportional to 481,350.47, 722,042.44 and 228,500.70 is: 342,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,350.47 : 722,042.44 = 228,500.70 : x
  2. Step 2: Convert to fraction form
    481,350.47/722,042.44 = 228,500.70/x
  3. Step 3: Cross multiply
    481,350.47x = 722,042.44 × 228,500.70
  4. Step 4: Simplify right side
    481,350.47x = 164,987,199,690.80
  5. Step 5: Solve for x
    x = 164,987,199,690.80/481,350.47
  6. Step 6: Final answer
    x = 342,758.99

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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.