Home / 494,539.20-741,930.30-139,548.60

Finding the Fourth Proportional to 494,539.20, 741,930.30 and 139,548.60

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Solution

The fourth proportional to 494,539.20, 741,930.30 and 139,548.60 is: 209,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,539.20 : 741,930.30 = 139,548.60 : x
  2. Step 2: Convert to fraction form
    494,539.20/741,930.30 = 139,548.60/x
  3. Step 3: Cross multiply
    494,539.20x = 741,930.30 × 139,548.60
  4. Step 4: Simplify right side
    494,539.20x = 103,535,334,662.58
  5. Step 5: Solve for x
    x = 103,535,334,662.58/494,539.20
  6. Step 6: Final answer
    x = 209,357.18

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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.