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Finding the Fourth Proportional to 379,237.68, 569,022.48 and 179,700.48

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Solution

The fourth proportional to 379,237.68, 569,022.48 and 179,700.48 is: 269,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,237.68 : 569,022.48 = 179,700.48 : x
  2. Step 2: Convert to fraction form
    379,237.68/569,022.48 = 179,700.48/x
  3. Step 3: Cross multiply
    379,237.68x = 569,022.48 × 179,700.48
  4. Step 4: Simplify right side
    379,237.68x = 102,253,612,786.79
  5. Step 5: Solve for x
    x = 102,253,612,786.79/379,237.68
  6. Step 6: Final answer
    x = 269,629.36

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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.