Home / 211,265.52-291,546.40-115,775.96

Finding the Fourth Proportional to 211,265.52, 291,546.40 and 115,775.96

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Solution

The fourth proportional to 211,265.52, 291,546.40 and 115,775.96 is: 159,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.52 : 291,546.40 = 115,775.96 : x
  2. Step 2: Convert to fraction form
    211,265.52/291,546.40 = 115,775.96/x
  3. Step 3: Cross multiply
    211,265.52x = 291,546.40 × 115,775.96
  4. Step 4: Simplify right side
    211,265.52x = 33,754,064,344.54
  5. Step 5: Solve for x
    x = 33,754,064,344.54/211,265.52
  6. Step 6: Final answer
    x = 159,770.82

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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.