Home / 211,046.64-291,229.20-115,537.92

Finding the Fourth Proportional to 211,046.64, 291,229.20 and 115,537.92

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Solution

The fourth proportional to 211,046.64, 291,229.20 and 115,537.92 is: 159,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,046.64 : 291,229.20 = 115,537.92 : x
  2. Step 2: Convert to fraction form
    211,046.64/291,229.20 = 115,537.92/x
  3. Step 3: Cross multiply
    211,046.64x = 291,229.20 × 115,537.92
  4. Step 4: Simplify right side
    211,046.64x = 33,648,016,011.26
  5. Step 5: Solve for x
    x = 33,648,016,011.26/211,046.64
  6. Step 6: Final answer
    x = 159,434.03

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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.