Home / 374,778.39-517,198.28-205,012.52

Finding the Fourth Proportional to 374,778.39, 517,198.28 and 205,012.52

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Solution

The fourth proportional to 374,778.39, 517,198.28 and 205,012.52 is: 282,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,778.39 : 517,198.28 = 205,012.52 : x
  2. Step 2: Convert to fraction form
    374,778.39/517,198.28 = 205,012.52/x
  3. Step 3: Cross multiply
    374,778.39x = 517,198.28 × 205,012.52
  4. Step 4: Simplify right side
    374,778.39x = 106,032,120,136.47
  5. Step 5: Solve for x
    x = 106,032,120,136.47/374,778.39
  6. Step 6: Final answer
    x = 282,919.51

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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.