Home / 211,265.31-291,546.34-115,772.22

Finding the Fourth Proportional to 211,265.31, 291,546.34 and 115,772.22

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Solution

The fourth proportional to 211,265.31, 291,546.34 and 115,772.22 is: 159,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.31 : 291,546.34 = 115,772.22 : x
  2. Step 2: Convert to fraction form
    211,265.31/291,546.34 = 115,772.22/x
  3. Step 3: Cross multiply
    211,265.31x = 291,546.34 × 115,772.22
  4. Step 4: Simplify right side
    211,265.31x = 33,752,966,725.24
  5. Step 5: Solve for x
    x = 33,752,966,725.24/211,265.31
  6. Step 6: Final answer
    x = 159,765.78

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1.5x scale

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.