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Finding the Fourth Proportional to 538,346.80, 807,228.60 and 222,446.80

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Solution

The fourth proportional to 538,346.80, 807,228.60 and 222,446.80 is: 333,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,346.80 : 807,228.60 = 222,446.80 : x
  2. Step 2: Convert to fraction form
    538,346.80/807,228.60 = 222,446.80/x
  3. Step 3: Cross multiply
    538,346.80x = 807,228.60 × 222,446.80
  4. Step 4: Simplify right side
    538,346.80x = 179,565,418,938.48
  5. Step 5: Solve for x
    x = 179,565,418,938.48/538,346.80
  6. Step 6: Final answer
    x = 333,549.71

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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.