Home / 422,124.78-582,526.39-231,138.18

Finding the Fourth Proportional to 422,124.78, 582,526.39 and 231,138.18

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Solution

The fourth proportional to 422,124.78, 582,526.39 and 231,138.18 is: 318,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,124.78 : 582,526.39 = 231,138.18 : x
  2. Step 2: Convert to fraction form
    422,124.78/582,526.39 = 231,138.18/x
  3. Step 3: Cross multiply
    422,124.78x = 582,526.39 × 231,138.18
  4. Step 4: Simplify right side
    422,124.78x = 134,644,089,586.57
  5. Step 5: Solve for x
    x = 134,644,089,586.57/422,124.78
  6. Step 6: Final answer
    x = 318,967.51

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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.