Home / 320,434.38-481,067.08-214,496.10

Finding the Fourth Proportional to 320,434.38, 481,067.08 and 214,496.10

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Solution

The fourth proportional to 320,434.38, 481,067.08 and 214,496.10 is: 322,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,434.38 : 481,067.08 = 214,496.10 : x
  2. Step 2: Convert to fraction form
    320,434.38/481,067.08 = 214,496.10/x
  3. Step 3: Cross multiply
    320,434.38x = 481,067.08 × 214,496.10
  4. Step 4: Simplify right side
    320,434.38x = 103,187,012,498.39
  5. Step 5: Solve for x
    x = 103,187,012,498.39/320,434.38
  6. Step 6: Final answer
    x = 322,022.29

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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.