Home / 220,831.25-331,246.98-71,071.53

Finding the Fourth Proportional to 220,831.25, 331,246.98 and 71,071.53

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Solution

The fourth proportional to 220,831.25, 331,246.98 and 71,071.53 is: 106,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,831.25 : 331,246.98 = 71,071.53 : x
  2. Step 2: Convert to fraction form
    220,831.25/331,246.98 = 71,071.53/x
  3. Step 3: Cross multiply
    220,831.25x = 331,246.98 × 71,071.53
  4. Step 4: Simplify right side
    220,831.25x = 23,542,229,676.48
  5. Step 5: Solve for x
    x = 23,542,229,676.48/220,831.25
  6. Step 6: Final answer
    x = 106,607.33

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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.