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Finding the Fourth Proportional to 373,594.50, 515,560.41 and 239,458.50

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Solution

The fourth proportional to 373,594.50, 515,560.41 and 239,458.50 is: 330,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,594.50 : 515,560.41 = 239,458.50 : x
  2. Step 2: Convert to fraction form
    373,594.50/515,560.41 = 239,458.50/x
  3. Step 3: Cross multiply
    373,594.50x = 515,560.41 × 239,458.50
  4. Step 4: Simplify right side
    373,594.50x = 123,455,322,437.99
  5. Step 5: Solve for x
    x = 123,455,322,437.99/373,594.50
  6. Step 6: Final answer
    x = 330,452.73

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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.