Home / 421,940.89-582,293.23-230,954.43

Finding the Fourth Proportional to 421,940.89, 582,293.23 and 230,954.43

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Solution

The fourth proportional to 421,940.89, 582,293.23 and 230,954.43 is: 318,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,940.89 : 582,293.23 = 230,954.43 : x
  2. Step 2: Convert to fraction form
    421,940.89/582,293.23 = 230,954.43/x
  3. Step 3: Cross multiply
    421,940.89x = 582,293.23 × 230,954.43
  4. Step 4: Simplify right side
    421,940.89x = 134,483,200,450.12
  5. Step 5: Solve for x
    x = 134,483,200,450.12/421,940.89
  6. Step 6: Final answer
    x = 318,725.22

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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.