Home / 379,418.20-569,137.02-179,691.64

Finding the Fourth Proportional to 379,418.20, 569,137.02 and 179,691.64

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Solution

The fourth proportional to 379,418.20, 569,137.02 and 179,691.64 is: 269,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,418.20 : 569,137.02 = 179,691.64 : x
  2. Step 2: Convert to fraction form
    379,418.20/569,137.02 = 179,691.64/x
  3. Step 3: Cross multiply
    379,418.20x = 569,137.02 × 179,691.64
  4. Step 4: Simplify right side
    379,418.20x = 102,269,164,508.51
  5. Step 5: Solve for x
    x = 102,269,164,508.51/379,418.20
  6. Step 6: Final answer
    x = 269,542.06

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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.