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Finding the Fourth Proportional to 241,793.43, 362,689.88 and 84,021.90

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Solution

The fourth proportional to 241,793.43, 362,689.88 and 84,021.90 is: 126,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,793.43 : 362,689.88 = 84,021.90 : x
  2. Step 2: Convert to fraction form
    241,793.43/362,689.88 = 84,021.90/x
  3. Step 3: Cross multiply
    241,793.43x = 362,689.88 × 84,021.90
  4. Step 4: Simplify right side
    241,793.43x = 30,473,892,408.26
  5. Step 5: Solve for x
    x = 30,473,892,408.26/241,793.43
  6. Step 6: Final answer
    x = 126,032.76

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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.