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Finding the Fourth Proportional to 299,254.39, 449,046.82 and 121,886.26

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Solution

The fourth proportional to 299,254.39, 449,046.82 and 121,886.26 is: 182,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,254.39 : 449,046.82 = 121,886.26 : x
  2. Step 2: Convert to fraction form
    299,254.39/449,046.82 = 121,886.26/x
  3. Step 3: Cross multiply
    299,254.39x = 449,046.82 × 121,886.26
  4. Step 4: Simplify right side
    299,254.39x = 54,732,637,454.69
  5. Step 5: Solve for x
    x = 54,732,637,454.69/299,254.39
  6. Step 6: Final answer
    x = 182,896.69

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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.