Home / 331,238.37-496,846.97-139,214.53

Finding the Fourth Proportional to 331,238.37, 496,846.97 and 139,214.53

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Solution

The fourth proportional to 331,238.37, 496,846.97 and 139,214.53 is: 208,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,238.37 : 496,846.97 = 139,214.53 : x
  2. Step 2: Convert to fraction form
    331,238.37/496,846.97 = 139,214.53/x
  3. Step 3: Cross multiply
    331,238.37x = 496,846.97 × 139,214.53
  4. Step 4: Simplify right side
    331,238.37x = 69,168,315,472.28
  5. Step 5: Solve for x
    x = 69,168,315,472.28/331,238.37
  6. Step 6: Final answer
    x = 208,817.34

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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.