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Finding the Fourth Proportional to 558,149, 836,169.98 and 329,763.15

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Solution

The fourth proportional to 558,149, 836,169.98 and 329,763.15 is: 494,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,149 : 836,169.98 = 329,763.15 : x
  2. Step 2: Convert to fraction form
    558,149/836,169.98 = 329,763.15/x
  3. Step 3: Cross multiply
    558,149x = 836,169.98 × 329,763.15
  4. Step 4: Simplify right side
    558,149x = 275,738,046,540.24
  5. Step 5: Solve for x
    x = 275,738,046,540.24/558,149
  6. Step 6: Final answer
    x = 494,022.29

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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.