Home / 239,212.20-330,053.22-154,227

Finding the Fourth Proportional to 239,212.20, 330,053.22 and 154,227

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Solution

The fourth proportional to 239,212.20, 330,053.22 and 154,227 is: 212,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,212.20 : 330,053.22 = 154,227 : x
  2. Step 2: Convert to fraction form
    239,212.20/330,053.22 = 154,227/x
  3. Step 3: Cross multiply
    239,212.20x = 330,053.22 × 154,227
  4. Step 4: Simplify right side
    239,212.20x = 50,903,117,960.94
  5. Step 5: Solve for x
    x = 50,903,117,960.94/239,212.20
  6. Step 6: Final answer
    x = 212,794.82

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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.