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Finding the Fourth Proportional to 338,682.39, 507,958.81 and 170,156.02

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Solution

The fourth proportional to 338,682.39, 507,958.81 and 170,156.02 is: 255,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,682.39 : 507,958.81 = 170,156.02 : x
  2. Step 2: Convert to fraction form
    338,682.39/507,958.81 = 170,156.02/x
  3. Step 3: Cross multiply
    338,682.39x = 507,958.81 × 170,156.02
  4. Step 4: Simplify right side
    338,682.39x = 86,432,246,893.74
  5. Step 5: Solve for x
    x = 86,432,246,893.74/338,682.39
  6. Step 6: Final answer
    x = 255,201.48

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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.