Home / 401,940.27-554,682.87-220,625.82

Finding the Fourth Proportional to 401,940.27, 554,682.87 and 220,625.82

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Solution

The fourth proportional to 401,940.27, 554,682.87 and 220,625.82 is: 304,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,940.27 : 554,682.87 = 220,625.82 : x
  2. Step 2: Convert to fraction form
    401,940.27/554,682.87 = 220,625.82/x
  3. Step 3: Cross multiply
    401,940.27x = 554,682.87 × 220,625.82
  4. Step 4: Simplify right side
    401,940.27x = 122,377,363,033.70
  5. Step 5: Solve for x
    x = 122,377,363,033.70/401,940.27
  6. Step 6: Final answer
    x = 304,466.54

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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.