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Finding the Fourth Proportional to 234,483.27, 351,757.71 and 76,680.29

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Solution

The fourth proportional to 234,483.27, 351,757.71 and 76,680.29 is: 115,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,483.27 : 351,757.71 = 76,680.29 : x
  2. Step 2: Convert to fraction form
    234,483.27/351,757.71 = 76,680.29/x
  3. Step 3: Cross multiply
    234,483.27x = 351,757.71 × 76,680.29
  4. Step 4: Simplify right side
    234,483.27x = 26,972,881,453.75
  5. Step 5: Solve for x
    x = 26,972,881,453.75/234,483.27
  6. Step 6: Final answer
    x = 115,031.16

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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.