Home / 262,519.29-393,778.92-75,530.79

Finding the Fourth Proportional to 262,519.29, 393,778.92 and 75,530.79

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Solution

The fourth proportional to 262,519.29, 393,778.92 and 75,530.79 is: 113,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,519.29 : 393,778.92 = 75,530.79 : x
  2. Step 2: Convert to fraction form
    262,519.29/393,778.92 = 75,530.79/x
  3. Step 3: Cross multiply
    262,519.29x = 393,778.92 × 75,530.79
  4. Step 4: Simplify right side
    262,519.29x = 29,742,432,912.95
  5. Step 5: Solve for x
    x = 29,742,432,912.95/262,519.29
  6. Step 6: Final answer
    x = 113,296.18

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1.5x scale

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.