Home / 240,286.15-331,610.52-138,324.16

Finding the Fourth Proportional to 240,286.15, 331,610.52 and 138,324.16

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Solution

The fourth proportional to 240,286.15, 331,610.52 and 138,324.16 is: 190,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,286.15 : 331,610.52 = 138,324.16 : x
  2. Step 2: Convert to fraction form
    240,286.15/331,610.52 = 138,324.16/x
  3. Step 3: Cross multiply
    240,286.15x = 331,610.52 × 138,324.16
  4. Step 4: Simplify right side
    240,286.15x = 45,869,746,626.16
  5. Step 5: Solve for x
    x = 45,869,746,626.16/240,286.15
  6. Step 6: Final answer
    x = 190,896.34

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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.