Home / 412,395.68-618,151.26-270,187.22

Finding the Fourth Proportional to 412,395.68, 618,151.26 and 270,187.22

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Solution

The fourth proportional to 412,395.68, 618,151.26 and 270,187.22 is: 404,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,395.68 : 618,151.26 = 270,187.22 : x
  2. Step 2: Convert to fraction form
    412,395.68/618,151.26 = 270,187.22/x
  3. Step 3: Cross multiply
    412,395.68x = 618,151.26 × 270,187.22
  4. Step 4: Simplify right side
    412,395.68x = 167,016,570,478.90
  5. Step 5: Solve for x
    x = 167,016,570,478.90/412,395.68
  6. Step 6: Final answer
    x = 404,991.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.