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Finding the Fourth Proportional to 297,180.93, 445,769.87 and 72,542.55

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Solution

The fourth proportional to 297,180.93, 445,769.87 and 72,542.55 is: 108,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,180.93 : 445,769.87 = 72,542.55 : x
  2. Step 2: Convert to fraction form
    297,180.93/445,769.87 = 72,542.55/x
  3. Step 3: Cross multiply
    297,180.93x = 445,769.87 × 72,542.55
  4. Step 4: Simplify right side
    297,180.93x = 32,337,284,391.89
  5. Step 5: Solve for x
    x = 32,337,284,391.89/297,180.93
  6. Step 6: Final answer
    x = 108,813.46

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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.