Home / 268,718.33-403,064.21-100,225.53

Finding the Fourth Proportional to 268,718.33, 403,064.21 and 100,225.53

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Solution

The fourth proportional to 268,718.33, 403,064.21 and 100,225.53 is: 150,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,718.33 : 403,064.21 = 100,225.53 : x
  2. Step 2: Convert to fraction form
    268,718.33/403,064.21 = 100,225.53/x
  3. Step 3: Cross multiply
    268,718.33x = 403,064.21 × 100,225.53
  4. Step 4: Simplify right side
    268,718.33x = 40,397,324,321.85
  5. Step 5: Solve for x
    x = 40,397,324,321.85/268,718.33
  6. Step 6: Final answer
    x = 150,333.34

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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.