Home / 378,814.43-567,532.53-220,563.11

Finding the Fourth Proportional to 378,814.43, 567,532.53 and 220,563.11

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Solution

The fourth proportional to 378,814.43, 567,532.53 and 220,563.11 is: 330,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,814.43 : 567,532.53 = 220,563.11 : x
  2. Step 2: Convert to fraction form
    378,814.43/567,532.53 = 220,563.11/x
  3. Step 3: Cross multiply
    378,814.43x = 567,532.53 × 220,563.11
  4. Step 4: Simplify right side
    378,814.43x = 125,176,739,842.97
  5. Step 5: Solve for x
    x = 125,176,739,842.97/378,814.43
  6. Step 6: Final answer
    x = 330,443.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.