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Finding the Fourth Proportional to 222,383.28, 333,628.06 and 72,623.88

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Solution

The fourth proportional to 222,383.28, 333,628.06 and 72,623.88 is: 108,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,383.28 : 333,628.06 = 72,623.88 : x
  2. Step 2: Convert to fraction form
    222,383.28/333,628.06 = 72,623.88/x
  3. Step 3: Cross multiply
    222,383.28x = 333,628.06 × 72,623.88
  4. Step 4: Simplify right side
    222,383.28x = 24,229,364,194.07
  5. Step 5: Solve for x
    x = 24,229,364,194.07/222,383.28
  6. Step 6: Final answer
    x = 108,953.17

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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.