Home / 378,266.22-522,003.96-206,184.15

Finding the Fourth Proportional to 378,266.22, 522,003.96 and 206,184.15

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Solution

The fourth proportional to 378,266.22, 522,003.96 and 206,184.15 is: 284,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,266.22 : 522,003.96 = 206,184.15 : x
  2. Step 2: Convert to fraction form
    378,266.22/522,003.96 = 206,184.15/x
  3. Step 3: Cross multiply
    378,266.22x = 522,003.96 × 206,184.15
  4. Step 4: Simplify right side
    378,266.22x = 107,628,942,789.23
  5. Step 5: Solve for x
    x = 107,628,942,789.23/378,266.22
  6. Step 6: Final answer
    x = 284,532.26

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1.5x scale

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.