Home / 211,289.92-291,582.38-115,794.56

Finding the Fourth Proportional to 211,289.92, 291,582.38 and 115,794.56

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Solution

The fourth proportional to 211,289.92, 291,582.38 and 115,794.56 is: 159,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,289.92 : 291,582.38 = 115,794.56 : x
  2. Step 2: Convert to fraction form
    211,289.92/291,582.38 = 115,794.56/x
  3. Step 3: Cross multiply
    211,289.92x = 291,582.38 × 115,794.56
  4. Step 4: Simplify right side
    211,289.92x = 33,763,654,414.30
  5. Step 5: Solve for x
    x = 33,763,654,414.30/211,289.92
  6. Step 6: Final answer
    x = 159,797.75

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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.