Home / 422,972.93-583,717.52-231,987.08

Finding the Fourth Proportional to 422,972.93, 583,717.52 and 231,987.08

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Solution

The fourth proportional to 422,972.93, 583,717.52 and 231,987.08 is: 320,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,972.93 : 583,717.52 = 231,987.08 : x
  2. Step 2: Convert to fraction form
    422,972.93/583,717.52 = 231,987.08/x
  3. Step 3: Cross multiply
    422,972.93x = 583,717.52 × 231,987.08
  4. Step 4: Simplify right side
    422,972.93x = 135,414,923,009.64
  5. Step 5: Solve for x
    x = 135,414,923,009.64/422,972.93
  6. Step 6: Final answer
    x = 320,150.33

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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.