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Finding the Fourth Proportional to 379,819.38, 569,805.75 and 169,457.34

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Solution

The fourth proportional to 379,819.38, 569,805.75 and 169,457.34 is: 254,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,819.38 : 569,805.75 = 169,457.34 : x
  2. Step 2: Convert to fraction form
    379,819.38/569,805.75 = 169,457.34/x
  3. Step 3: Cross multiply
    379,819.38x = 569,805.75 × 169,457.34
  4. Step 4: Simplify right side
    379,819.38x = 96,557,766,711.71
  5. Step 5: Solve for x
    x = 96,557,766,711.71/379,819.38
  6. Step 6: Final answer
    x = 254,220.22

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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.