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Finding the Fourth Proportional to 235,857.15, 353,676.92 and 75,903.62

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Solution

The fourth proportional to 235,857.15, 353,676.92 and 75,903.62 is: 113,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,857.15 : 353,676.92 = 75,903.62 : x
  2. Step 2: Convert to fraction form
    235,857.15/353,676.92 = 75,903.62/x
  3. Step 3: Cross multiply
    235,857.15x = 353,676.92 × 75,903.62
  4. Step 4: Simplify right side
    235,857.15x = 26,845,356,390.55
  5. Step 5: Solve for x
    x = 26,845,356,390.55/235,857.15
  6. Step 6: Final answer
    x = 113,820.41

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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.