Home / 240,442.16-331,834.83-138,471.44

Finding the Fourth Proportional to 240,442.16, 331,834.83 and 138,471.44

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Solution

The fourth proportional to 240,442.16, 331,834.83 and 138,471.44 is: 191,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,442.16 : 331,834.83 = 138,471.44 : x
  2. Step 2: Convert to fraction form
    240,442.16/331,834.83 = 138,471.44/x
  3. Step 3: Cross multiply
    240,442.16x = 331,834.83 × 138,471.44
  4. Step 4: Simplify right side
    240,442.16x = 45,949,646,752.26
  5. Step 5: Solve for x
    x = 45,949,646,752.26/240,442.16
  6. Step 6: Final answer
    x = 191,104.78

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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.