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Finding the Fourth Proportional to 299,144.52, 448,715.55 and 121,650.03

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Solution

The fourth proportional to 299,144.52, 448,715.55 and 121,650.03 is: 182,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,144.52 : 448,715.55 = 121,650.03 : x
  2. Step 2: Convert to fraction form
    299,144.52/448,715.55 = 121,650.03/x
  3. Step 3: Cross multiply
    299,144.52x = 448,715.55 × 121,650.03
  4. Step 4: Simplify right side
    299,144.52x = 54,586,260,118.97
  5. Step 5: Solve for x
    x = 54,586,260,118.97/299,144.52
  6. Step 6: Final answer
    x = 182,474.54

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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.