Home / 356,413.48-491,849.06-195,268.28

Finding the Fourth Proportional to 356,413.48, 491,849.06 and 195,268.28

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Solution

The fourth proportional to 356,413.48, 491,849.06 and 195,268.28 is: 269,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,413.48 : 491,849.06 = 195,268.28 : x
  2. Step 2: Convert to fraction form
    356,413.48/491,849.06 = 195,268.28/x
  3. Step 3: Cross multiply
    356,413.48x = 491,849.06 × 195,268.28
  4. Step 4: Simplify right side
    356,413.48x = 96,042,519,965.82
  5. Step 5: Solve for x
    x = 96,042,519,965.82/356,413.48
  6. Step 6: Final answer
    x = 269,469.38

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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.