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Finding the Fourth Proportional to 234,456.52, 350,680 and 217,438.96

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Solution

The fourth proportional to 234,456.52, 350,680 and 217,438.96 is: 325,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,456.52 : 350,680 = 217,438.96 : x
  2. Step 2: Convert to fraction form
    234,456.52/350,680 = 217,438.96/x
  3. Step 3: Cross multiply
    234,456.52x = 350,680 × 217,438.96
  4. Step 4: Simplify right side
    234,456.52x = 76,251,494,492.80
  5. Step 5: Solve for x
    x = 76,251,494,492.80/234,456.52
  6. Step 6: Final answer
    x = 325,226.59

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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.