Home / 805,451.82-1,208,156.01-198,245.55

Finding the Fourth Proportional to 805,451.82, 1,208,156.01 and 198,245.55

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Solution

The fourth proportional to 805,451.82, 1,208,156.01 and 198,245.55 is: 297,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,451.82 : 1,208,156.01 = 198,245.55 : x
  2. Step 2: Convert to fraction form
    805,451.82/1,208,156.01 = 198,245.55/x
  3. Step 3: Cross multiply
    805,451.82x = 1,208,156.01 × 198,245.55
  4. Step 4: Simplify right side
    805,451.82x = 239,511,546,647.48
  5. Step 5: Solve for x
    x = 239,511,546,647.48/805,451.82
  6. Step 6: Final answer
    x = 297,362.97

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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.