Home / 268,879.50-403,291.31-168,742.85

Finding the Fourth Proportional to 268,879.50, 403,291.31 and 168,742.85

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Solution

The fourth proportional to 268,879.50, 403,291.31 and 168,742.85 is: 253,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,879.50 : 403,291.31 = 168,742.85 : x
  2. Step 2: Convert to fraction form
    268,879.50/403,291.31 = 168,742.85/x
  3. Step 3: Cross multiply
    268,879.50x = 403,291.31 × 168,742.85
  4. Step 4: Simplify right side
    268,879.50x = 68,052,522,169.46
  5. Step 5: Solve for x
    x = 68,052,522,169.46/268,879.50
  6. Step 6: Final answer
    x = 253,096.73

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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.