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Finding the Fourth Proportional to 222,625.48, 333,969.68 and 72,877.92

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Solution

The fourth proportional to 222,625.48, 333,969.68 and 72,877.92 is: 109,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,625.48 : 333,969.68 = 72,877.92 : x
  2. Step 2: Convert to fraction form
    222,625.48/333,969.68 = 72,877.92/x
  3. Step 3: Cross multiply
    222,625.48x = 333,969.68 × 72,877.92
  4. Step 4: Simplify right side
    222,625.48x = 24,339,015,621.47
  5. Step 5: Solve for x
    x = 24,339,015,621.47/222,625.48
  6. Step 6: Final answer
    x = 109,327.18

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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.