Home / 320,956.60-442,933.86-177,716.52

Finding the Fourth Proportional to 320,956.60, 442,933.86 and 177,716.52

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Solution

The fourth proportional to 320,956.60, 442,933.86 and 177,716.52 is: 245,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,956.60 : 442,933.86 = 177,716.52 : x
  2. Step 2: Convert to fraction form
    320,956.60/442,933.86 = 177,716.52/x
  3. Step 3: Cross multiply
    320,956.60x = 442,933.86 × 177,716.52
  4. Step 4: Simplify right side
    320,956.60x = 78,716,664,189.37
  5. Step 5: Solve for x
    x = 78,716,664,189.37/320,956.60
  6. Step 6: Final answer
    x = 245,256.41

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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.