Home / 320,272.20-441,967.86-177,028.56

Finding the Fourth Proportional to 320,272.20, 441,967.86 and 177,028.56

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Solution

The fourth proportional to 320,272.20, 441,967.86 and 177,028.56 is: 244,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,272.20 : 441,967.86 = 177,028.56 : x
  2. Step 2: Convert to fraction form
    320,272.20/441,967.86 = 177,028.56/x
  3. Step 3: Cross multiply
    320,272.20x = 441,967.86 × 177,028.56
  4. Step 4: Simplify right side
    320,272.20x = 78,240,933,822.08
  5. Step 5: Solve for x
    x = 78,240,933,822.08/320,272.20
  6. Step 6: Final answer
    x = 244,295.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.