Home / 320,338.55-442,076.42-177,107.82

Finding the Fourth Proportional to 320,338.55, 442,076.42 and 177,107.82

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Solution

The fourth proportional to 320,338.55, 442,076.42 and 177,107.82 is: 244,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,338.55 : 442,076.42 = 177,107.82 : x
  2. Step 2: Convert to fraction form
    320,338.55/442,076.42 = 177,107.82/x
  3. Step 3: Cross multiply
    320,338.55x = 442,076.42 × 177,107.82
  4. Step 4: Simplify right side
    320,338.55x = 78,295,189,555.53
  5. Step 5: Solve for x
    x = 78,295,189,555.53/320,338.55
  6. Step 6: Final answer
    x = 244,413.89

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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.