Home / 349,268.48-481,990.56-198,365.12

Finding the Fourth Proportional to 349,268.48, 481,990.56 and 198,365.12

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Solution

The fourth proportional to 349,268.48, 481,990.56 and 198,365.12 is: 273,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,268.48 : 481,990.56 = 198,365.12 : x
  2. Step 2: Convert to fraction form
    349,268.48/481,990.56 = 198,365.12/x
  3. Step 3: Cross multiply
    349,268.48x = 481,990.56 × 198,365.12
  4. Step 4: Simplify right side
    349,268.48x = 95,610,115,273.27
  5. Step 5: Solve for x
    x = 95,610,115,273.27/349,268.48
  6. Step 6: Final answer
    x = 273,743.90

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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.