Home / 494,428.11-741,396.79-157,424.85

Finding the Fourth Proportional to 494,428.11, 741,396.79 and 157,424.85

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Solution

The fourth proportional to 494,428.11, 741,396.79 and 157,424.85 is: 236,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.11 : 741,396.79 = 157,424.85 : x
  2. Step 2: Convert to fraction form
    494,428.11/741,396.79 = 157,424.85/x
  3. Step 3: Cross multiply
    494,428.11x = 741,396.79 × 157,424.85
  4. Step 4: Simplify right side
    494,428.11x = 116,714,278,456.23
  5. Step 5: Solve for x
    x = 116,714,278,456.23/494,428.11
  6. Step 6: Final answer
    x = 236,059.15

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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.