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Finding the Fourth Proportional to 482,930.22, 724,100.09 and 230,287.98

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Solution

The fourth proportional to 482,930.22, 724,100.09 and 230,287.98 is: 345,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,930.22 : 724,100.09 = 230,287.98 : x
  2. Step 2: Convert to fraction form
    482,930.22/724,100.09 = 230,287.98/x
  3. Step 3: Cross multiply
    482,930.22x = 724,100.09 × 230,287.98
  4. Step 4: Simplify right side
    482,930.22x = 166,751,545,892.48
  5. Step 5: Solve for x
    x = 166,751,545,892.48/482,930.22
  6. Step 6: Final answer
    x = 345,291.18

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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.