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Finding the Fourth Proportional to 222,363.63, 333,425.43 and 115,483.91

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Solution

The fourth proportional to 222,363.63, 333,425.43 and 115,483.91 is: 173,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,363.63 : 333,425.43 = 115,483.91 : x
  2. Step 2: Convert to fraction form
    222,363.63/333,425.43 = 115,483.91/x
  3. Step 3: Cross multiply
    222,363.63x = 333,425.43 × 115,483.91
  4. Step 4: Simplify right side
    222,363.63x = 38,505,270,682.70
  5. Step 5: Solve for x
    x = 38,505,270,682.70/222,363.63
  6. Step 6: Final answer
    x = 173,163.53

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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.