Home / 422,120.77-582,520.88-231,134.18

Finding the Fourth Proportional to 422,120.77, 582,520.88 and 231,134.18

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Solution

The fourth proportional to 422,120.77, 582,520.88 and 231,134.18 is: 318,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,120.77 : 582,520.88 = 231,134.18 : x
  2. Step 2: Convert to fraction form
    422,120.77/582,520.88 = 231,134.18/x
  3. Step 3: Cross multiply
    422,120.77x = 582,520.88 × 231,134.18
  4. Step 4: Simplify right side
    422,120.77x = 134,640,483,596.91
  5. Step 5: Solve for x
    x = 134,640,483,596.91/422,120.77
  6. Step 6: Final answer
    x = 318,962.00

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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.