Home / 494,109.42-741,156.33-157,145.20

Finding the Fourth Proportional to 494,109.42, 741,156.33 and 157,145.20

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Solution

The fourth proportional to 494,109.42, 741,156.33 and 157,145.20 is: 235,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,109.42 : 741,156.33 = 157,145.20 : x
  2. Step 2: Convert to fraction form
    494,109.42/741,156.33 = 157,145.20/x
  3. Step 3: Cross multiply
    494,109.42x = 741,156.33 × 157,145.20
  4. Step 4: Simplify right side
    494,109.42x = 116,469,157,561.58
  5. Step 5: Solve for x
    x = 116,469,157,561.58/494,109.42
  6. Step 6: Final answer
    x = 235,715.32

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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.