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Finding the Fourth Proportional to 222,575.67, 333,715.28 and 115,696.98

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Solution

The fourth proportional to 222,575.67, 333,715.28 and 115,696.98 is: 173,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,575.67 : 333,715.28 = 115,696.98 : x
  2. Step 2: Convert to fraction form
    222,575.67/333,715.28 = 115,696.98/x
  3. Step 3: Cross multiply
    222,575.67x = 333,715.28 × 115,696.98
  4. Step 4: Simplify right side
    222,575.67x = 38,609,849,497.37
  5. Step 5: Solve for x
    x = 38,609,849,497.37/222,575.67
  6. Step 6: Final answer
    x = 173,468.42

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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.