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Finding the Fourth Proportional to 475,481.48, 713,052.36 and 222,718.80

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Solution

The fourth proportional to 475,481.48, 713,052.36 and 222,718.80 is: 333,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,481.48 : 713,052.36 = 222,718.80 : x
  2. Step 2: Convert to fraction form
    475,481.48/713,052.36 = 222,718.80/x
  3. Step 3: Cross multiply
    475,481.48x = 713,052.36 × 222,718.80
  4. Step 4: Simplify right side
    475,481.48x = 158,810,165,956.37
  5. Step 5: Solve for x
    x = 158,810,165,956.37/475,481.48
  6. Step 6: Final answer
    x = 333,998.64

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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.