Home / 321,412.24-482,073.75-225,057.29

Finding the Fourth Proportional to 321,412.24, 482,073.75 and 225,057.29

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Solution

The fourth proportional to 321,412.24, 482,073.75 and 225,057.29 is: 337,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,412.24 : 482,073.75 = 225,057.29 : x
  2. Step 2: Convert to fraction form
    321,412.24/482,073.75 = 225,057.29/x
  3. Step 3: Cross multiply
    321,412.24x = 482,073.75 × 225,057.29
  4. Step 4: Simplify right side
    321,412.24x = 108,494,212,960.32
  5. Step 5: Solve for x
    x = 108,494,212,960.32/321,412.24
  6. Step 6: Final answer
    x = 337,554.70

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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.