Home / 422,120.85-582,526.53-231,134.19

Finding the Fourth Proportional to 422,120.85, 582,526.53 and 231,134.19

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Solution

The fourth proportional to 422,120.85, 582,526.53 and 231,134.19 is: 318,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,120.85 : 582,526.53 = 231,134.19 : x
  2. Step 2: Convert to fraction form
    422,120.85/582,526.53 = 231,134.19/x
  3. Step 3: Cross multiply
    422,120.85x = 582,526.53 × 231,134.19
  4. Step 4: Simplify right side
    422,120.85x = 134,641,797,665.06
  5. Step 5: Solve for x
    x = 134,641,797,665.06/422,120.85
  6. Step 6: Final answer
    x = 318,965.05

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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.