Home / 421,924.78-582,255.21-230,936.50

Finding the Fourth Proportional to 421,924.78, 582,255.21 and 230,936.50

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Solution

The fourth proportional to 421,924.78, 582,255.21 and 230,936.50 is: 318,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,924.78 : 582,255.21 = 230,936.50 : x
  2. Step 2: Convert to fraction form
    421,924.78/582,255.21 = 230,936.50/x
  3. Step 3: Cross multiply
    421,924.78x = 582,255.21 × 230,936.50
  4. Step 4: Simplify right side
    421,924.78x = 134,463,980,304.17
  5. Step 5: Solve for x
    x = 134,463,980,304.17/421,924.78
  6. Step 6: Final answer
    x = 318,691.83

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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.