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Finding the Fourth Proportional to 538,049.80, 806,783.10 and 222,149.80

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Solution

The fourth proportional to 538,049.80, 806,783.10 and 222,149.80 is: 333,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,049.80 : 806,783.10 = 222,149.80 : x
  2. Step 2: Convert to fraction form
    538,049.80/806,783.10 = 222,149.80/x
  3. Step 3: Cross multiply
    538,049.80x = 806,783.10 × 222,149.80
  4. Step 4: Simplify right side
    538,049.80x = 179,226,704,308.38
  5. Step 5: Solve for x
    x = 179,226,704,308.38/538,049.80
  6. Step 6: Final answer
    x = 333,104.30

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1.5x scale

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.