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Finding the Fourth Proportional to 234,608.49, 351,918.50 and 76,830.57

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Solution

The fourth proportional to 234,608.49, 351,918.50 and 76,830.57 is: 115,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,608.49 : 351,918.50 = 76,830.57 : x
  2. Step 2: Convert to fraction form
    234,608.49/351,918.50 = 76,830.57/x
  3. Step 3: Cross multiply
    234,608.49x = 351,918.50 × 76,830.57
  4. Step 4: Simplify right side
    234,608.49x = 27,038,098,564.39
  5. Step 5: Solve for x
    x = 27,038,098,564.39/234,608.49
  6. Step 6: Final answer
    x = 115,247.74

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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.