Home / 421,926.78-582,257.97-230,938.50

Finding the Fourth Proportional to 421,926.78, 582,257.97 and 230,938.50

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Solution

The fourth proportional to 421,926.78, 582,257.97 and 230,938.50 is: 318,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926.78 : 582,257.97 = 230,938.50 : x
  2. Step 2: Convert to fraction form
    421,926.78/582,257.97 = 230,938.50/x
  3. Step 3: Cross multiply
    421,926.78x = 582,257.97 × 230,938.50
  4. Step 4: Simplify right side
    421,926.78x = 134,465,782,204.85
  5. Step 5: Solve for x
    x = 134,465,782,204.85/421,926.78
  6. Step 6: Final answer
    x = 318,694.59

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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.