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Finding the Fourth Proportional to 511,270.62, 766,907.82 and 156,283.26

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Solution

The fourth proportional to 511,270.62, 766,907.82 and 156,283.26 is: 234,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,270.62 : 766,907.82 = 156,283.26 : x
  2. Step 2: Convert to fraction form
    511,270.62/766,907.82 = 156,283.26/x
  3. Step 3: Cross multiply
    511,270.62x = 766,907.82 × 156,283.26
  4. Step 4: Simplify right side
    511,270.62x = 119,854,854,229.09
  5. Step 5: Solve for x
    x = 119,854,854,229.09/511,270.62
  6. Step 6: Final answer
    x = 234,425.47

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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.