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Finding the Fourth Proportional to 367,418.77, 507,067.19 and 206,284.39

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Solution

The fourth proportional to 367,418.77, 507,067.19 and 206,284.39 is: 284,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,418.77 : 507,067.19 = 206,284.39 : x
  2. Step 2: Convert to fraction form
    367,418.77/507,067.19 = 206,284.39/x
  3. Step 3: Cross multiply
    367,418.77x = 507,067.19 × 206,284.39
  4. Step 4: Simplify right side
    367,418.77x = 104,600,044,452.64
  5. Step 5: Solve for x
    x = 104,600,044,452.64/367,418.77
  6. Step 6: Final answer
    x = 284,688.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.