Home / 381,396.24-526,522.80-268,722

Finding the Fourth Proportional to 381,396.24, 526,522.80 and 268,722

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Solution

The fourth proportional to 381,396.24, 526,522.80 and 268,722 is: 370,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,396.24 : 526,522.80 = 268,722 : x
  2. Step 2: Convert to fraction form
    381,396.24/526,522.80 = 268,722/x
  3. Step 3: Cross multiply
    381,396.24x = 526,522.80 × 268,722
  4. Step 4: Simplify right side
    381,396.24x = 141,488,259,861.60
  5. Step 5: Solve for x
    x = 141,488,259,861.60/381,396.24
  6. Step 6: Final answer
    x = 370,974.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.