Home / 215,656.40-323,374.14-115,900.58

Finding the Fourth Proportional to 215,656.40, 323,374.14 and 115,900.58

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Solution

The fourth proportional to 215,656.40, 323,374.14 and 115,900.58 is: 173,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.40 : 323,374.14 = 115,900.58 : x
  2. Step 2: Convert to fraction form
    215,656.40/323,374.14 = 115,900.58/x
  3. Step 3: Cross multiply
    215,656.40x = 323,374.14 × 115,900.58
  4. Step 4: Simplify right side
    215,656.40x = 37,479,250,383.00
  5. Step 5: Solve for x
    x = 37,479,250,383.00/215,656.40
  6. Step 6: Final answer
    x = 173,791.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.