Home / 421,558.43-581,764.48-230,571.82

Finding the Fourth Proportional to 421,558.43, 581,764.48 and 230,571.82

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Solution

The fourth proportional to 421,558.43, 581,764.48 and 230,571.82 is: 318,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,558.43 : 581,764.48 = 230,571.82 : x
  2. Step 2: Convert to fraction form
    421,558.43/581,764.48 = 230,571.82/x
  3. Step 3: Cross multiply
    421,558.43x = 581,764.48 × 230,571.82
  4. Step 4: Simplify right side
    421,558.43x = 134,138,491,843.30
  5. Step 5: Solve for x
    x = 134,138,491,843.30/421,558.43
  6. Step 6: Final answer
    x = 318,196.68

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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.