Home / 345,910.20-517,927.32-179,348.28

Finding the Fourth Proportional to 345,910.20, 517,927.32 and 179,348.28

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Solution

The fourth proportional to 345,910.20, 517,927.32 and 179,348.28 is: 268,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,910.20 : 517,927.32 = 179,348.28 : x
  2. Step 2: Convert to fraction form
    345,910.20/517,927.32 = 179,348.28/x
  3. Step 3: Cross multiply
    345,910.20x = 517,927.32 × 179,348.28
  4. Step 4: Simplify right side
    345,910.20x = 92,889,374,007.01
  5. Step 5: Solve for x
    x = 92,889,374,007.01/345,910.20
  6. Step 6: Final answer
    x = 268,536.09

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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.