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Finding the Fourth Proportional to 270,183.78, 403,297.25 and 238,262.38

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Solution

The fourth proportional to 270,183.78, 403,297.25 and 238,262.38 is: 355,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,183.78 : 403,297.25 = 238,262.38 : x
  2. Step 2: Convert to fraction form
    270,183.78/403,297.25 = 238,262.38/x
  3. Step 3: Cross multiply
    270,183.78x = 403,297.25 × 238,262.38
  4. Step 4: Simplify right side
    270,183.78x = 96,090,560,432.90
  5. Step 5: Solve for x
    x = 96,090,560,432.90/270,183.78
  6. Step 6: Final answer
    x = 355,648.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.