Home / 479,443.38-719,308.17-142,495.26

Finding the Fourth Proportional to 479,443.38, 719,308.17 and 142,495.26

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Solution

The fourth proportional to 479,443.38, 719,308.17 and 142,495.26 is: 213,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,443.38 : 719,308.17 = 142,495.26 : x
  2. Step 2: Convert to fraction form
    479,443.38/719,308.17 = 142,495.26/x
  3. Step 3: Cross multiply
    479,443.38x = 719,308.17 × 142,495.26
  4. Step 4: Simplify right side
    479,443.38x = 102,498,004,704.27
  5. Step 5: Solve for x
    x = 102,498,004,704.27/479,443.38
  6. Step 6: Final answer
    x = 213,785.42

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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.