Home / 211,229.22-291,491.78-115,733.86

Finding the Fourth Proportional to 211,229.22, 291,491.78 and 115,733.86

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Solution

The fourth proportional to 211,229.22, 291,491.78 and 115,733.86 is: 159,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,229.22 : 291,491.78 = 115,733.86 : x
  2. Step 2: Convert to fraction form
    211,229.22/291,491.78 = 115,733.86/x
  3. Step 3: Cross multiply
    211,229.22x = 291,491.78 × 115,733.86
  4. Step 4: Simplify right side
    211,229.22x = 33,735,468,857.67
  5. Step 5: Solve for x
    x = 33,735,468,857.67/211,229.22
  6. Step 6: Final answer
    x = 159,710.24

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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.