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Finding the Fourth Proportional to 222,384.61, 333,597.41 and 72,625.68

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Solution

The fourth proportional to 222,384.61, 333,597.41 and 72,625.68 is: 108,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384.61 : 333,597.41 = 72,625.68 : x
  2. Step 2: Convert to fraction form
    222,384.61/333,597.41 = 72,625.68/x
  3. Step 3: Cross multiply
    222,384.61x = 333,597.41 × 72,625.68
  4. Step 4: Simplify right side
    222,384.61x = 24,227,738,747.49
  5. Step 5: Solve for x
    x = 24,227,738,747.49/222,384.61
  6. Step 6: Final answer
    x = 108,945.21

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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.