Home / 198,343.37-297,383.08-102,340.45

Finding the Fourth Proportional to 198,343.37, 297,383.08 and 102,340.45

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Solution

The fourth proportional to 198,343.37, 297,383.08 and 102,340.45 is: 153,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,343.37 : 297,383.08 = 102,340.45 : x
  2. Step 2: Convert to fraction form
    198,343.37/297,383.08 = 102,340.45/x
  3. Step 3: Cross multiply
    198,343.37x = 297,383.08 × 102,340.45
  4. Step 4: Simplify right side
    198,343.37x = 30,434,318,229.59
  5. Step 5: Solve for x
    x = 30,434,318,229.59/198,343.37
  6. Step 6: Final answer
    x = 153,442.58

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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.