Home / 211,379.80-291,704.04-115,884.44

Finding the Fourth Proportional to 211,379.80, 291,704.04 and 115,884.44

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Solution

The fourth proportional to 211,379.80, 291,704.04 and 115,884.44 is: 159,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,379.80 : 291,704.04 = 115,884.44 : x
  2. Step 2: Convert to fraction form
    211,379.80/291,704.04 = 115,884.44/x
  3. Step 3: Cross multiply
    211,379.80x = 291,704.04 × 115,884.44
  4. Step 4: Simplify right side
    211,379.80x = 33,803,959,321.14
  5. Step 5: Solve for x
    x = 33,803,959,321.14/211,379.80
  6. Step 6: Final answer
    x = 159,920.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.