Home / 421,921.90-582,251.25-230,933.62

Finding the Fourth Proportional to 421,921.90, 582,251.25 and 230,933.62

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Solution

The fourth proportional to 421,921.90, 582,251.25 and 230,933.62 is: 318,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,921.90 : 582,251.25 = 230,933.62 : x
  2. Step 2: Convert to fraction form
    421,921.90/582,251.25 = 230,933.62/x
  3. Step 3: Cross multiply
    421,921.90x = 582,251.25 × 230,933.62
  4. Step 4: Simplify right side
    421,921.90x = 134,461,388,912.03
  5. Step 5: Solve for x
    x = 134,461,388,912.03/421,921.90
  6. Step 6: Final answer
    x = 318,687.86

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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.