Home / 211,291.11-291,580.06-115,797.58

Finding the Fourth Proportional to 211,291.11, 291,580.06 and 115,797.58

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Solution

The fourth proportional to 211,291.11, 291,580.06 and 115,797.58 is: 159,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,291.11 : 291,580.06 = 115,797.58 : x
  2. Step 2: Convert to fraction form
    211,291.11/291,580.06 = 115,797.58/x
  3. Step 3: Cross multiply
    211,291.11x = 291,580.06 × 115,797.58
  4. Step 4: Simplify right side
    211,291.11x = 33,764,265,324.25
  5. Step 5: Solve for x
    x = 33,764,265,324.25/211,291.11
  6. Step 6: Final answer
    x = 159,799.74

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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.