Home / 320,351.03-442,093.65-177,120.32

Finding the Fourth Proportional to 320,351.03, 442,093.65 and 177,120.32

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Solution

The fourth proportional to 320,351.03, 442,093.65 and 177,120.32 is: 244,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,351.03 : 442,093.65 = 177,120.32 : x
  2. Step 2: Convert to fraction form
    320,351.03/442,093.65 = 177,120.32/x
  3. Step 3: Cross multiply
    320,351.03x = 442,093.65 × 177,120.32
  4. Step 4: Simplify right side
    320,351.03x = 78,303,768,757.97
  5. Step 5: Solve for x
    x = 78,303,768,757.97/320,351.03
  6. Step 6: Final answer
    x = 244,431.14

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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.