Home / 205,199.20-307,098.60-171,956.80

Finding the Fourth Proportional to 205,199.20, 307,098.60 and 171,956.80

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Solution

The fourth proportional to 205,199.20, 307,098.60 and 171,956.80 is: 257,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,199.20 : 307,098.60 = 171,956.80 : x
  2. Step 2: Convert to fraction form
    205,199.20/307,098.60 = 171,956.80/x
  3. Step 3: Cross multiply
    205,199.20x = 307,098.60 × 171,956.80
  4. Step 4: Simplify right side
    205,199.20x = 52,807,692,540.48
  5. Step 5: Solve for x
    x = 52,807,692,540.48/205,199.20
  6. Step 6: Final answer
    x = 257,348.43

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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.