Home / 205,234.20-307,851.30-55,497.60

Finding the Fourth Proportional to 205,234.20, 307,851.30 and 55,497.60

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Solution

The fourth proportional to 205,234.20, 307,851.30 and 55,497.60 is: 83,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,234.20 : 307,851.30 = 55,497.60 : x
  2. Step 2: Convert to fraction form
    205,234.20/307,851.30 = 55,497.60/x
  3. Step 3: Cross multiply
    205,234.20x = 307,851.30 × 55,497.60
  4. Step 4: Simplify right side
    205,234.20x = 17,085,008,306.88
  5. Step 5: Solve for x
    x = 17,085,008,306.88/205,234.20
  6. Step 6: Final answer
    x = 83,246.40

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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.