Home / 208,660.39-312,885.34-148,654.58

Finding the Fourth Proportional to 208,660.39, 312,885.34 and 148,654.58

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Solution

The fourth proportional to 208,660.39, 312,885.34 and 148,654.58 is: 222,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,660.39 : 312,885.34 = 148,654.58 : x
  2. Step 2: Convert to fraction form
    208,660.39/312,885.34 = 148,654.58/x
  3. Step 3: Cross multiply
    208,660.39x = 312,885.34 × 148,654.58
  4. Step 4: Simplify right side
    208,660.39x = 46,511,838,805.86
  5. Step 5: Solve for x
    x = 46,511,838,805.86/208,660.39
  6. Step 6: Final answer
    x = 222,906.89

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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.