Home / 211,469.39-317,234.25-69,284.27

Finding the Fourth Proportional to 211,469.39, 317,234.25 and 69,284.27

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Solution

The fourth proportional to 211,469.39, 317,234.25 and 69,284.27 is: 103,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,469.39 : 317,234.25 = 69,284.27 : x
  2. Step 2: Convert to fraction form
    211,469.39/317,234.25 = 69,284.27/x
  3. Step 3: Cross multiply
    211,469.39x = 317,234.25 × 69,284.27
  4. Step 4: Simplify right side
    211,469.39x = 21,979,343,430.25
  5. Step 5: Solve for x
    x = 21,979,343,430.25/211,469.39
  6. Step 6: Final answer
    x = 103,936.29

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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.