Home / 321,433.20-481,362.48-226,429.92

Finding the Fourth Proportional to 321,433.20, 481,362.48 and 226,429.92

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Solution

The fourth proportional to 321,433.20, 481,362.48 and 226,429.92 is: 339,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,433.20 : 481,362.48 = 226,429.92 : x
  2. Step 2: Convert to fraction form
    321,433.20/481,362.48 = 226,429.92/x
  3. Step 3: Cross multiply
    321,433.20x = 481,362.48 × 226,429.92
  4. Step 4: Simplify right side
    321,433.20x = 108,994,867,837.40
  5. Step 5: Solve for x
    x = 108,994,867,837.40/321,433.20
  6. Step 6: Final answer
    x = 339,090.26

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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.