Home / 204,986.20-307,479.30-169,994.20

Finding the Fourth Proportional to 204,986.20, 307,479.30 and 169,994.20

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Solution

The fourth proportional to 204,986.20, 307,479.30 and 169,994.20 is: 254,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,986.20 : 307,479.30 = 169,994.20 : x
  2. Step 2: Convert to fraction form
    204,986.20/307,479.30 = 169,994.20/x
  3. Step 3: Cross multiply
    204,986.20x = 307,479.30 × 169,994.20
  4. Step 4: Simplify right side
    204,986.20x = 52,269,697,620.06
  5. Step 5: Solve for x
    x = 52,269,697,620.06/204,986.20
  6. Step 6: Final answer
    x = 254,991.30

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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.