Home / 386,997.20-580,272.32-150,063.08

Finding the Fourth Proportional to 386,997.20, 580,272.32 and 150,063.08

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Solution

The fourth proportional to 386,997.20, 580,272.32 and 150,063.08 is: 225,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,997.20 : 580,272.32 = 150,063.08 : x
  2. Step 2: Convert to fraction form
    386,997.20/580,272.32 = 150,063.08/x
  3. Step 3: Cross multiply
    386,997.20x = 580,272.32 × 150,063.08
  4. Step 4: Simplify right side
    386,997.20x = 87,077,451,577.95
  5. Step 5: Solve for x
    x = 87,077,451,577.95/386,997.20
  6. Step 6: Final answer
    x = 225,007.96

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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.