Home / 422,303.03-582,778.32-231,323.30

Finding the Fourth Proportional to 422,303.03, 582,778.32 and 231,323.30

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Solution

The fourth proportional to 422,303.03, 582,778.32 and 231,323.30 is: 319,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,303.03 : 582,778.32 = 231,323.30 : x
  2. Step 2: Convert to fraction form
    422,303.03/582,778.32 = 231,323.30/x
  3. Step 3: Cross multiply
    422,303.03x = 582,778.32 × 231,323.30
  4. Step 4: Simplify right side
    422,303.03x = 134,810,204,150.86
  5. Step 5: Solve for x
    x = 134,810,204,150.86/422,303.03
  6. Step 6: Final answer
    x = 319,226.23

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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.