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Finding the Fourth Proportional to 373,137.78, 516,410.03 and 364,183.55

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Solution

The fourth proportional to 373,137.78, 516,410.03 and 364,183.55 is: 504,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,137.78 : 516,410.03 = 364,183.55 : x
  2. Step 2: Convert to fraction form
    373,137.78/516,410.03 = 364,183.55/x
  3. Step 3: Cross multiply
    373,137.78x = 516,410.03 × 364,183.55
  4. Step 4: Simplify right side
    373,137.78x = 188,068,040,483.83
  5. Step 5: Solve for x
    x = 188,068,040,483.83/373,137.78
  6. Step 6: Final answer
    x = 504,017.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.