Home / 220,206.04-330,360.77-68,395.37

Finding the Fourth Proportional to 220,206.04, 330,360.77 and 68,395.37

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Solution

The fourth proportional to 220,206.04, 330,360.77 and 68,395.37 is: 102,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,206.04 : 330,360.77 = 68,395.37 : x
  2. Step 2: Convert to fraction form
    220,206.04/330,360.77 = 68,395.37/x
  3. Step 3: Cross multiply
    220,206.04x = 330,360.77 × 68,395.37
  4. Step 4: Simplify right side
    220,206.04x = 22,595,147,097.63
  5. Step 5: Solve for x
    x = 22,595,147,097.63/220,206.04
  6. Step 6: Final answer
    x = 102,609.12

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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.