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Finding the Fourth Proportional to 299,273.94, 448,862.31 and 121,773.78

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Solution

The fourth proportional to 299,273.94, 448,862.31 and 121,773.78 is: 182,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,273.94 : 448,862.31 = 121,773.78 : x
  2. Step 2: Convert to fraction form
    299,273.94/448,862.31 = 121,773.78/x
  3. Step 3: Cross multiply
    299,273.94x = 448,862.31 × 121,773.78
  4. Step 4: Simplify right side
    299,273.94x = 54,659,660,188.23
  5. Step 5: Solve for x
    x = 54,659,660,188.23/299,273.94
  6. Step 6: Final answer
    x = 182,640.89

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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.