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Finding the Fourth Proportional to 298,597.44, 447,893.39 and 121,062.26

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Solution

The fourth proportional to 298,597.44, 447,893.39 and 121,062.26 is: 181,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,597.44 : 447,893.39 = 121,062.26 : x
  2. Step 2: Convert to fraction form
    298,597.44/447,893.39 = 121,062.26/x
  3. Step 3: Cross multiply
    298,597.44x = 447,893.39 × 121,062.26
  4. Step 4: Simplify right side
    298,597.44x = 54,222,986,032.46
  5. Step 5: Solve for x
    x = 54,222,986,032.46/298,597.44
  6. Step 6: Final answer
    x = 181,592.27

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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.