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Finding the Fourth Proportional to 379,811.88, 569,794.50 and 169,449.84

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Solution

The fourth proportional to 379,811.88, 569,794.50 and 169,449.84 is: 254,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,811.88 : 569,794.50 = 169,449.84 : x
  2. Step 2: Convert to fraction form
    379,811.88/569,794.50 = 169,449.84/x
  3. Step 3: Cross multiply
    379,811.88x = 569,794.50 × 169,449.84
  4. Step 4: Simplify right side
    379,811.88x = 96,551,586,857.88
  5. Step 5: Solve for x
    x = 96,551,586,857.88/379,811.88
  6. Step 6: Final answer
    x = 254,208.97

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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.