Home / 454,954.45-682,705.05-188,687.20

Finding the Fourth Proportional to 454,954.45, 682,705.05 and 188,687.20

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Solution

The fourth proportional to 454,954.45, 682,705.05 and 188,687.20 is: 283,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,954.45 : 682,705.05 = 188,687.20 : x
  2. Step 2: Convert to fraction form
    454,954.45/682,705.05 = 188,687.20/x
  3. Step 3: Cross multiply
    454,954.45x = 682,705.05 × 188,687.20
  4. Step 4: Simplify right side
    454,954.45x = 128,817,704,310.36
  5. Step 5: Solve for x
    x = 128,817,704,310.36/454,954.45
  6. Step 6: Final answer
    x = 283,144.18

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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.