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Finding the Fourth Proportional to 269,739.78, 404,653.47 and 101,273.34

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Solution

The fourth proportional to 269,739.78, 404,653.47 and 101,273.34 is: 151,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,739.78 : 404,653.47 = 101,273.34 : x
  2. Step 2: Convert to fraction form
    269,739.78/404,653.47 = 101,273.34/x
  3. Step 3: Cross multiply
    269,739.78x = 404,653.47 × 101,273.34
  4. Step 4: Simplify right side
    269,739.78x = 40,980,608,449.49
  5. Step 5: Solve for x
    x = 40,980,608,449.49/269,739.78
  6. Step 6: Final answer
    x = 151,926.45

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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.