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Finding the Fourth Proportional to 270,003.70, 405,005.55 and 169,839.10

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Solution

The fourth proportional to 270,003.70, 405,005.55 and 169,839.10 is: 254,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,003.70 : 405,005.55 = 169,839.10 : x
  2. Step 2: Convert to fraction form
    270,003.70/405,005.55 = 169,839.10/x
  3. Step 3: Cross multiply
    270,003.70x = 405,005.55 × 169,839.10
  4. Step 4: Simplify right side
    270,003.70x = 68,785,778,107.01
  5. Step 5: Solve for x
    x = 68,785,778,107.01/270,003.70
  6. Step 6: Final answer
    x = 254,758.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.