Home / 240,047.44-331,255.38-138,065.20

Finding the Fourth Proportional to 240,047.44, 331,255.38 and 138,065.20

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Solution

The fourth proportional to 240,047.44, 331,255.38 and 138,065.20 is: 190,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,047.44 : 331,255.38 = 138,065.20 : x
  2. Step 2: Convert to fraction form
    240,047.44/331,255.38 = 138,065.20/x
  3. Step 3: Cross multiply
    240,047.44x = 331,255.38 × 138,065.20
  4. Step 4: Simplify right side
    240,047.44x = 45,734,840,290.78
  5. Step 5: Solve for x
    x = 45,734,840,290.78/240,047.44
  6. Step 6: Final answer
    x = 190,524.17

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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.