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Finding the Fourth Proportional to 283,568.15, 425,435.27 and 83,893.89

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Solution

The fourth proportional to 283,568.15, 425,435.27 and 83,893.89 is: 125,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,568.15 : 425,435.27 = 83,893.89 : x
  2. Step 2: Convert to fraction form
    283,568.15/425,435.27 = 83,893.89/x
  3. Step 3: Cross multiply
    283,568.15x = 425,435.27 × 83,893.89
  4. Step 4: Simplify right side
    283,568.15x = 35,691,419,324.03
  5. Step 5: Solve for x
    x = 35,691,419,324.03/283,568.15
  6. Step 6: Final answer
    x = 125,865.40

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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.