Home / 268,795.77-403,251.97-81,802.41

Finding the Fourth Proportional to 268,795.77, 403,251.97 and 81,802.41

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Solution

The fourth proportional to 268,795.77, 403,251.97 and 81,802.41 is: 122,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,795.77 : 403,251.97 = 81,802.41 : x
  2. Step 2: Convert to fraction form
    268,795.77/403,251.97 = 81,802.41/x
  3. Step 3: Cross multiply
    268,795.77x = 403,251.97 × 81,802.41
  4. Step 4: Simplify right side
    268,795.77x = 32,986,981,419.93
  5. Step 5: Solve for x
    x = 32,986,981,419.93/268,795.77
  6. Step 6: Final answer
    x = 122,721.36

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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.