Home / 331,247.62-457,058.73-210,408.58

Finding the Fourth Proportional to 331,247.62, 457,058.73 and 210,408.58

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Solution

The fourth proportional to 331,247.62, 457,058.73 and 210,408.58 is: 290,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,247.62 : 457,058.73 = 210,408.58 : x
  2. Step 2: Convert to fraction form
    331,247.62/457,058.73 = 210,408.58/x
  3. Step 3: Cross multiply
    331,247.62x = 457,058.73 × 210,408.58
  4. Step 4: Simplify right side
    331,247.62x = 96,169,078,355.90
  5. Step 5: Solve for x
    x = 96,169,078,355.90/331,247.62
  6. Step 6: Final answer
    x = 290,323.83

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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.