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Finding the Fourth Proportional to 538,000.80, 806,709.60 and 222,100.80

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Solution

The fourth proportional to 538,000.80, 806,709.60 and 222,100.80 is: 333,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,000.80 : 806,709.60 = 222,100.80 : x
  2. Step 2: Convert to fraction form
    538,000.80/806,709.60 = 222,100.80/x
  3. Step 3: Cross multiply
    538,000.80x = 806,709.60 × 222,100.80
  4. Step 4: Simplify right side
    538,000.80x = 179,170,847,527.68
  5. Step 5: Solve for x
    x = 179,170,847,527.68/538,000.80
  6. Step 6: Final answer
    x = 333,030.82

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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.