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Finding the Fourth Proportional to 483,887.91, 667,727.33 and 269,014.89

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Solution

The fourth proportional to 483,887.91, 667,727.33 and 269,014.89 is: 371,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,887.91 : 667,727.33 = 269,014.89 : x
  2. Step 2: Convert to fraction form
    483,887.91/667,727.33 = 269,014.89/x
  3. Step 3: Cross multiply
    483,887.91x = 667,727.33 × 269,014.89
  4. Step 4: Simplify right side
    483,887.91x = 179,628,592,884.87
  5. Step 5: Solve for x
    x = 179,628,592,884.87/483,887.91
  6. Step 6: Final answer
    x = 371,219.43

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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.