Home / 268,876.04-403,334.78-69,198.37

Finding the Fourth Proportional to 268,876.04, 403,334.78 and 69,198.37

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Solution

The fourth proportional to 268,876.04, 403,334.78 and 69,198.37 is: 103,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,876.04 : 403,334.78 = 69,198.37 : x
  2. Step 2: Convert to fraction form
    268,876.04/403,334.78 = 69,198.37/x
  3. Step 3: Cross multiply
    268,876.04x = 403,334.78 × 69,198.37
  4. Step 4: Simplify right side
    268,876.04x = 27,910,107,985.98
  5. Step 5: Solve for x
    x = 27,910,107,985.98/268,876.04
  6. Step 6: Final answer
    x = 103,802.88

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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.