Home / 338,724.00-508,086.21-86,023.44

Finding the Fourth Proportional to 338,724.00, 508,086.21 and 86,023.44

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Solution

The fourth proportional to 338,724.00, 508,086.21 and 86,023.44 is: 129,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,724.00 : 508,086.21 = 86,023.44 : x
  2. Step 2: Convert to fraction form
    338,724.00/508,086.21 = 86,023.44/x
  3. Step 3: Cross multiply
    338,724.00x = 508,086.21 × 86,023.44
  4. Step 4: Simplify right side
    338,724.00x = 43,707,321,060.33
  5. Step 5: Solve for x
    x = 43,707,321,060.33/338,724.00
  6. Step 6: Final answer
    x = 129,035.21

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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.