Home / 268,912.46-403,371.94-81,925.58

Finding the Fourth Proportional to 268,912.46, 403,371.94 and 81,925.58

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Solution

The fourth proportional to 268,912.46, 403,371.94 and 81,925.58 is: 122,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,912.46 : 403,371.94 = 81,925.58 : x
  2. Step 2: Convert to fraction form
    268,912.46/403,371.94 = 81,925.58/x
  3. Step 3: Cross multiply
    268,912.46x = 403,371.94 × 81,925.58
  4. Step 4: Simplify right side
    268,912.46x = 33,046,480,140.23
  5. Step 5: Solve for x
    x = 33,046,480,140.23/268,912.46
  6. Step 6: Final answer
    x = 122,889.36

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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.