Home / 204,982.20-307,473.30-169,990.20

Finding the Fourth Proportional to 204,982.20, 307,473.30 and 169,990.20

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Solution

The fourth proportional to 204,982.20, 307,473.30 and 169,990.20 is: 254,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,982.20 : 307,473.30 = 169,990.20 : x
  2. Step 2: Convert to fraction form
    204,982.20/307,473.30 = 169,990.20/x
  3. Step 3: Cross multiply
    204,982.20x = 307,473.30 × 169,990.20
  4. Step 4: Simplify right side
    204,982.20x = 52,267,447,761.66
  5. Step 5: Solve for x
    x = 52,267,447,761.66/204,982.20
  6. Step 6: Final answer
    x = 254,985.30

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1.5x scale

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.