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Finding the Fourth Proportional to 198,175.56, 297,273.08 and 79,830.88

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Solution

The fourth proportional to 198,175.56, 297,273.08 and 79,830.88 is: 119,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,175.56 : 297,273.08 = 79,830.88 : x
  2. Step 2: Convert to fraction form
    198,175.56/297,273.08 = 79,830.88/x
  3. Step 3: Cross multiply
    198,175.56x = 297,273.08 × 79,830.88
  4. Step 4: Simplify right side
    198,175.56x = 23,731,571,576.71
  5. Step 5: Solve for x
    x = 23,731,571,576.71/198,175.56
  6. Step 6: Final answer
    x = 119,750.24

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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.