Home / 479,269.35-719,006.09-142,310.97

Finding the Fourth Proportional to 479,269.35, 719,006.09 and 142,310.97

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Solution

The fourth proportional to 479,269.35, 719,006.09 and 142,310.97 is: 213,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,269.35 : 719,006.09 = 142,310.97 : x
  2. Step 2: Convert to fraction form
    479,269.35/719,006.09 = 142,310.97/x
  3. Step 3: Cross multiply
    479,269.35x = 719,006.09 × 142,310.97
  4. Step 4: Simplify right side
    479,269.35x = 102,322,453,392.25
  5. Step 5: Solve for x
    x = 102,322,453,392.25/479,269.35
  6. Step 6: Final answer
    x = 213,496.76

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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.