Home / 211,342.89-291,654.47-115,849.29

Finding the Fourth Proportional to 211,342.89, 291,654.47 and 115,849.29

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Solution

The fourth proportional to 211,342.89, 291,654.47 and 115,849.29 is: 159,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,342.89 : 291,654.47 = 115,849.29 : x
  2. Step 2: Convert to fraction form
    211,342.89/291,654.47 = 115,849.29/x
  3. Step 3: Cross multiply
    211,342.89x = 291,654.47 × 115,849.29
  4. Step 4: Simplify right side
    211,342.89x = 33,787,962,695.58
  5. Step 5: Solve for x
    x = 33,787,962,695.58/211,342.89
  6. Step 6: Final answer
    x = 159,872.72

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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.