Home / 221,444.78-331,667.76-102,866.58

Finding the Fourth Proportional to 221,444.78, 331,667.76 and 102,866.58

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Solution

The fourth proportional to 221,444.78, 331,667.76 and 102,866.58 is: 154,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.78 : 331,667.76 = 102,866.58 : x
  2. Step 2: Convert to fraction form
    221,444.78/331,667.76 = 102,866.58/x
  3. Step 3: Cross multiply
    221,444.78x = 331,667.76 × 102,866.58
  4. Step 4: Simplify right side
    221,444.78x = 34,117,528,167.46
  5. Step 5: Solve for x
    x = 34,117,528,167.46/221,444.78
  6. Step 6: Final answer
    x = 154,067.88

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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.