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Finding the Fourth Proportional to 379,799.82, 569,776.56 and 169,437.78

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Solution

The fourth proportional to 379,799.82, 569,776.56 and 169,437.78 is: 254,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,799.82 : 569,776.56 = 169,437.78 : x
  2. Step 2: Convert to fraction form
    379,799.82/569,776.56 = 169,437.78/x
  3. Step 3: Cross multiply
    379,799.82x = 569,776.56 × 169,437.78
  4. Step 4: Simplify right side
    379,799.82x = 96,541,675,422.44
  5. Step 5: Solve for x
    x = 96,541,675,422.44/379,799.82
  6. Step 6: Final answer
    x = 254,190.95

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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.