Home / 479,263.50-718,832.79-142,297.38

Finding the Fourth Proportional to 479,263.50, 718,832.79 and 142,297.38

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Solution

The fourth proportional to 479,263.50, 718,832.79 and 142,297.38 is: 213,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,263.50 : 718,832.79 = 142,297.38 : x
  2. Step 2: Convert to fraction form
    479,263.50/718,832.79 = 142,297.38/x
  3. Step 3: Cross multiply
    479,263.50x = 718,832.79 × 142,297.38
  4. Step 4: Simplify right side
    479,263.50x = 102,288,022,675.09
  5. Step 5: Solve for x
    x = 102,288,022,675.09/479,263.50
  6. Step 6: Final answer
    x = 213,427.53

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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.