Home / 494,418.30-741,627.45-139,427.70

Finding the Fourth Proportional to 494,418.30, 741,627.45 and 139,427.70

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Solution

The fourth proportional to 494,418.30, 741,627.45 and 139,427.70 is: 209,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,418.30 : 741,627.45 = 139,427.70 : x
  2. Step 2: Convert to fraction form
    494,418.30/741,627.45 = 139,427.70/x
  3. Step 3: Cross multiply
    494,418.30x = 741,627.45 × 139,427.70
  4. Step 4: Simplify right side
    494,418.30x = 103,403,409,610.37
  5. Step 5: Solve for x
    x = 103,403,409,610.37/494,418.30
  6. Step 6: Final answer
    x = 209,141.55

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Similar ratio
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1.5x scale

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.