Home / 240,440.16-331,832.07-138,469.44

Finding the Fourth Proportional to 240,440.16, 331,832.07 and 138,469.44

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Solution

The fourth proportional to 240,440.16, 331,832.07 and 138,469.44 is: 191,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,440.16 : 331,832.07 = 138,469.44 : x
  2. Step 2: Convert to fraction form
    240,440.16/331,832.07 = 138,469.44/x
  3. Step 3: Cross multiply
    240,440.16x = 331,832.07 × 138,469.44
  4. Step 4: Simplify right side
    240,440.16x = 45,948,600,906.94
  5. Step 5: Solve for x
    x = 45,948,600,906.94/240,440.16
  6. Step 6: Final answer
    x = 191,102.02

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1.5x scale

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.