Home / 422,145.90-582,539.67-231,122.37

Finding the Fourth Proportional to 422,145.90, 582,539.67 and 231,122.37

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Solution

The fourth proportional to 422,145.90, 582,539.67 and 231,122.37 is: 318,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,145.90 : 582,539.67 = 231,122.37 : x
  2. Step 2: Convert to fraction form
    422,145.90/582,539.67 = 231,122.37/x
  3. Step 3: Cross multiply
    422,145.90x = 582,539.67 × 231,122.37
  4. Step 4: Simplify right side
    422,145.90x = 134,637,949,149.42
  5. Step 5: Solve for x
    x = 134,637,949,149.42/422,145.90
  6. Step 6: Final answer
    x = 318,937.01

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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.