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Finding the Fourth Proportional to 222,473.28, 333,707.12 and 53,995

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Solution

The fourth proportional to 222,473.28, 333,707.12 and 53,995 is: 80,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,473.28 : 333,707.12 = 53,995 : x
  2. Step 2: Convert to fraction form
    222,473.28/333,707.12 = 53,995/x
  3. Step 3: Cross multiply
    222,473.28x = 333,707.12 × 53,995
  4. Step 4: Simplify right side
    222,473.28x = 18,018,515,944.40
  5. Step 5: Solve for x
    x = 18,018,515,944.40/222,473.28
  6. Step 6: Final answer
    x = 80,991.82

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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.