Home / 277,873.07-415,667.83-221,822.65

Finding the Fourth Proportional to 277,873.07, 415,667.83 and 221,822.65

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Solution

The fourth proportional to 277,873.07, 415,667.83 and 221,822.65 is: 331,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,873.07 : 415,667.83 = 221,822.65 : x
  2. Step 2: Convert to fraction form
    277,873.07/415,667.83 = 221,822.65/x
  3. Step 3: Cross multiply
    277,873.07x = 415,667.83 × 221,822.65
  4. Step 4: Simplify right side
    277,873.07x = 92,204,539,327.42
  5. Step 5: Solve for x
    x = 92,204,539,327.42/277,873.07
  6. Step 6: Final answer
    x = 331,822.51

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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.