Home / 340,949.63-470,396.25-220,172.56

Finding the Fourth Proportional to 340,949.63, 470,396.25 and 220,172.56

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Solution

The fourth proportional to 340,949.63, 470,396.25 and 220,172.56 is: 303,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,949.63 : 470,396.25 = 220,172.56 : x
  2. Step 2: Convert to fraction form
    340,949.63/470,396.25 = 220,172.56/x
  3. Step 3: Cross multiply
    340,949.63x = 470,396.25 × 220,172.56
  4. Step 4: Simplify right side
    340,949.63x = 103,568,345,400.91
  5. Step 5: Solve for x
    x = 103,568,345,400.91/340,949.63
  6. Step 6: Final answer
    x = 303,764.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.