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Finding the Fourth Proportional to 222,557.15, 333,836.14 and 54,077.61

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Solution

The fourth proportional to 222,557.15, 333,836.14 and 54,077.61 is: 81,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,557.15 : 333,836.14 = 54,077.61 : x
  2. Step 2: Convert to fraction form
    222,557.15/333,836.14 = 54,077.61/x
  3. Step 3: Cross multiply
    222,557.15x = 333,836.14 × 54,077.61
  4. Step 4: Simplify right side
    222,557.15x = 18,053,061,648.82
  5. Step 5: Solve for x
    x = 18,053,061,648.82/222,557.15
  6. Step 6: Final answer
    x = 81,116.52

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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.