Home / 331,118.37-457,031.22-203,900.58

Finding the Fourth Proportional to 331,118.37, 457,031.22 and 203,900.58

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Solution

The fourth proportional to 331,118.37, 457,031.22 and 203,900.58 is: 281,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,118.37 : 457,031.22 = 203,900.58 : x
  2. Step 2: Convert to fraction form
    331,118.37/457,031.22 = 203,900.58/x
  3. Step 3: Cross multiply
    331,118.37x = 457,031.22 × 203,900.58
  4. Step 4: Simplify right side
    331,118.37x = 93,188,930,836.11
  5. Step 5: Solve for x
    x = 93,188,930,836.11/331,118.37
  6. Step 6: Final answer
    x = 281,436.91

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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.