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Finding the Fourth Proportional to 511,727.97, 767,212.88 and 245,234.73

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Solution

The fourth proportional to 511,727.97, 767,212.88 and 245,234.73 is: 367,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,727.97 : 767,212.88 = 245,234.73 : x
  2. Step 2: Convert to fraction form
    511,727.97/767,212.88 = 245,234.73/x
  3. Step 3: Cross multiply
    511,727.97x = 767,212.88 × 245,234.73
  4. Step 4: Simplify right side
    511,727.97x = 188,147,242,253.15
  5. Step 5: Solve for x
    x = 188,147,242,253.15/511,727.97
  6. Step 6: Final answer
    x = 367,670.43

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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.