Home / 422,025.30-582,394.90-231,038.70

Finding the Fourth Proportional to 422,025.30, 582,394.90 and 231,038.70

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Solution

The fourth proportional to 422,025.30, 582,394.90 and 231,038.70 is: 318,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,025.30 : 582,394.90 = 231,038.70 : x
  2. Step 2: Convert to fraction form
    422,025.30/582,394.90 = 231,038.70/x
  3. Step 3: Cross multiply
    422,025.30x = 582,394.90 × 231,038.70
  4. Step 4: Simplify right side
    422,025.30x = 134,555,760,582.63
  5. Step 5: Solve for x
    x = 134,555,760,582.63/422,025.30
  6. Step 6: Final answer
    x = 318,833.40

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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.