Home / 198,273.60-297,410.40-131,497.20

Finding the Fourth Proportional to 198,273.60, 297,410.40 and 131,497.20

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Solution

The fourth proportional to 198,273.60, 297,410.40 and 131,497.20 is: 197,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,273.60 : 297,410.40 = 131,497.20 : x
  2. Step 2: Convert to fraction form
    198,273.60/297,410.40 = 131,497.20/x
  3. Step 3: Cross multiply
    198,273.60x = 297,410.40 × 131,497.20
  4. Step 4: Simplify right side
    198,273.60x = 39,108,634,850.88
  5. Step 5: Solve for x
    x = 39,108,634,850.88/198,273.60
  6. Step 6: Final answer
    x = 197,245.80

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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.