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Finding the Fourth Proportional to 222,304.75, 333,510.17 and 72,545.31

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Solution

The fourth proportional to 222,304.75, 333,510.17 and 72,545.31 is: 108,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,304.75 : 333,510.17 = 72,545.31 : x
  2. Step 2: Convert to fraction form
    222,304.75/333,510.17 = 72,545.31/x
  3. Step 3: Cross multiply
    222,304.75x = 333,510.17 × 72,545.31
  4. Step 4: Simplify right side
    222,304.75x = 24,194,599,141.85
  5. Step 5: Solve for x
    x = 24,194,599,141.85/222,304.75
  6. Step 6: Final answer
    x = 108,835.28

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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.