Home / 220,206.29-330,361.14-68,395.62

Finding the Fourth Proportional to 220,206.29, 330,361.14 and 68,395.62

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Solution

The fourth proportional to 220,206.29, 330,361.14 and 68,395.62 is: 102,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,206.29 : 330,361.14 = 68,395.62 : x
  2. Step 2: Convert to fraction form
    220,206.29/330,361.14 = 68,395.62/x
  3. Step 3: Cross multiply
    220,206.29x = 330,361.14 × 68,395.62
  4. Step 4: Simplify right side
    220,206.29x = 22,595,254,994.21
  5. Step 5: Solve for x
    x = 22,595,254,994.21/220,206.29
  6. Step 6: Final answer
    x = 102,609.49

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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.