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Finding the Fourth Proportional to 275,245.89, 412,869.48 and 75,569.01

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Solution

The fourth proportional to 275,245.89, 412,869.48 and 75,569.01 is: 113,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,245.89 : 412,869.48 = 75,569.01 : x
  2. Step 2: Convert to fraction form
    275,245.89/412,869.48 = 75,569.01/x
  3. Step 3: Cross multiply
    275,245.89x = 412,869.48 × 75,569.01
  4. Step 4: Simplify right side
    275,245.89x = 31,200,137,862.81
  5. Step 5: Solve for x
    x = 31,200,137,862.81/275,245.89
  6. Step 6: Final answer
    x = 113,353.69

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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.