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Finding the Fourth Proportional to 222,379.84, 333,588.30 and 64,608.31

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Solution

The fourth proportional to 222,379.84, 333,588.30 and 64,608.31 is: 96,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,379.84 : 333,588.30 = 64,608.31 : x
  2. Step 2: Convert to fraction form
    222,379.84/333,588.30 = 64,608.31/x
  3. Step 3: Cross multiply
    222,379.84x = 333,588.30 × 64,608.31
  4. Step 4: Simplify right side
    222,379.84x = 21,552,576,298.77
  5. Step 5: Solve for x
    x = 21,552,576,298.77/222,379.84
  6. Step 6: Final answer
    x = 96,917.85

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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.