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Finding the Fourth Proportional to 494,549.51, 741,816.18 and 157,585.59

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Solution

The fourth proportional to 494,549.51, 741,816.18 and 157,585.59 is: 236,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,549.51 : 741,816.18 = 157,585.59 : x
  2. Step 2: Convert to fraction form
    494,549.51/741,816.18 = 157,585.59/x
  3. Step 3: Cross multiply
    494,549.51x = 741,816.18 × 157,585.59
  4. Step 4: Simplify right side
    494,549.51x = 116,899,540,396.85
  5. Step 5: Solve for x
    x = 116,899,540,396.85/494,549.51
  6. Step 6: Final answer
    x = 236,375.81

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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.