Home / 422,975.52-583,707.06-231,990.48

Finding the Fourth Proportional to 422,975.52, 583,707.06 and 231,990.48

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Solution

The fourth proportional to 422,975.52, 583,707.06 and 231,990.48 is: 320,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,975.52 : 583,707.06 = 231,990.48 : x
  2. Step 2: Convert to fraction form
    422,975.52/583,707.06 = 231,990.48/x
  3. Step 3: Cross multiply
    422,975.52x = 583,707.06 × 231,990.48
  4. Step 4: Simplify right side
    422,975.52x = 135,414,481,028.79
  5. Step 5: Solve for x
    x = 135,414,481,028.79/422,975.52
  6. Step 6: Final answer
    x = 320,147.32

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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.