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Finding the Fourth Proportional to 483,378.68, 667,044.04 and 268,532.26

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Solution

The fourth proportional to 483,378.68, 667,044.04 and 268,532.26 is: 370,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,378.68 : 667,044.04 = 268,532.26 : x
  2. Step 2: Convert to fraction form
    483,378.68/667,044.04 = 268,532.26/x
  3. Step 3: Cross multiply
    483,378.68x = 667,044.04 × 268,532.26
  4. Step 4: Simplify right side
    483,378.68x = 179,122,843,580.73
  5. Step 5: Solve for x
    x = 179,122,843,580.73/483,378.68
  6. Step 6: Final answer
    x = 370,564.22

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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.