Home / 268,772.87-403,077.29-91,240.41

Finding the Fourth Proportional to 268,772.87, 403,077.29 and 91,240.41

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Solution

The fourth proportional to 268,772.87, 403,077.29 and 91,240.41 is: 136,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,772.87 : 403,077.29 = 91,240.41 : x
  2. Step 2: Convert to fraction form
    268,772.87/403,077.29 = 91,240.41/x
  3. Step 3: Cross multiply
    268,772.87x = 403,077.29 × 91,240.41
  4. Step 4: Simplify right side
    268,772.87x = 36,776,936,745.09
  5. Step 5: Solve for x
    x = 36,776,936,745.09/268,772.87
  6. Step 6: Final answer
    x = 136,832.77

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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.