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Finding the Fourth Proportional to 338,840.82, 507,771.18 and 187,067.88

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Solution

The fourth proportional to 338,840.82, 507,771.18 and 187,067.88 is: 280,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,840.82 : 507,771.18 = 187,067.88 : x
  2. Step 2: Convert to fraction form
    338,840.82/507,771.18 = 187,067.88/x
  3. Step 3: Cross multiply
    338,840.82x = 507,771.18 × 187,067.88
  4. Step 4: Simplify right side
    338,840.82x = 94,987,678,167.70
  5. Step 5: Solve for x
    x = 94,987,678,167.70/338,840.82
  6. Step 6: Final answer
    x = 280,331.27

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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.