Home / 494,111.34-741,179.30-139,122.95

Finding the Fourth Proportional to 494,111.34, 741,179.30 and 139,122.95

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Solution

The fourth proportional to 494,111.34, 741,179.30 and 139,122.95 is: 208,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,111.34 : 741,179.30 = 139,122.95 : x
  2. Step 2: Convert to fraction form
    494,111.34/741,179.30 = 139,122.95/x
  3. Step 3: Cross multiply
    494,111.34x = 741,179.30 × 139,122.95
  4. Step 4: Simplify right side
    494,111.34x = 103,115,046,293.42
  5. Step 5: Solve for x
    x = 103,115,046,293.42/494,111.34
  6. Step 6: Final answer
    x = 208,687.88

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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.