Home / 479,241.32-718,738.88-142,202.25

Finding the Fourth Proportional to 479,241.32, 718,738.88 and 142,202.25

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Solution

The fourth proportional to 479,241.32, 718,738.88 and 142,202.25 is: 213,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,241.32 : 718,738.88 = 142,202.25 : x
  2. Step 2: Convert to fraction form
    479,241.32/718,738.88 = 142,202.25/x
  3. Step 3: Cross multiply
    479,241.32x = 718,738.88 × 142,202.25
  4. Step 4: Simplify right side
    479,241.32x = 102,206,285,187.47
  5. Step 5: Solve for x
    x = 102,206,285,187.47/479,241.32
  6. Step 6: Final answer
    x = 213,266.85

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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.