Home / 331,148.92-456,972.81-187,900.42

Finding the Fourth Proportional to 331,148.92, 456,972.81 and 187,900.42

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Solution

The fourth proportional to 331,148.92, 456,972.81 and 187,900.42 is: 259,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,148.92 : 456,972.81 = 187,900.42 : x
  2. Step 2: Convert to fraction form
    331,148.92/456,972.81 = 187,900.42/x
  3. Step 3: Cross multiply
    331,148.92x = 456,972.81 × 187,900.42
  4. Step 4: Simplify right side
    331,148.92x = 85,865,382,927.58
  5. Step 5: Solve for x
    x = 85,865,382,927.58/331,148.92
  6. Step 6: Final answer
    x = 259,295.37

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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.