Home / 479,238.30-718,734.39-142,199.23

Finding the Fourth Proportional to 479,238.30, 718,734.39 and 142,199.23

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Solution

The fourth proportional to 479,238.30, 718,734.39 and 142,199.23 is: 213,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,238.30 : 718,734.39 = 142,199.23 : x
  2. Step 2: Convert to fraction form
    479,238.30/718,734.39 = 142,199.23/x
  3. Step 3: Cross multiply
    479,238.30x = 718,734.39 × 142,199.23
  4. Step 4: Simplify right side
    479,238.30x = 102,203,476,832.52
  5. Step 5: Solve for x
    x = 102,203,476,832.52/479,238.30
  6. Step 6: Final answer
    x = 213,262.33

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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.