Home / 198,782.60-298,337.10-197,227.40

Finding the Fourth Proportional to 198,782.60, 298,337.10 and 197,227.40

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Solution

The fourth proportional to 198,782.60, 298,337.10 and 197,227.40 is: 296,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782.60 : 298,337.10 = 197,227.40 : x
  2. Step 2: Convert to fraction form
    198,782.60/298,337.10 = 197,227.40/x
  3. Step 3: Cross multiply
    198,782.60x = 298,337.10 × 197,227.40
  4. Step 4: Simplify right side
    198,782.60x = 58,840,250,556.54
  5. Step 5: Solve for x
    x = 58,840,250,556.54/198,782.60
  6. Step 6: Final answer
    x = 296,003.02

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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.