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Finding the Fourth Proportional to 244,626.70, 366,940.05 and 211,384.30

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Solution

The fourth proportional to 244,626.70, 366,940.05 and 211,384.30 is: 317,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,626.70 : 366,940.05 = 211,384.30 : x
  2. Step 2: Convert to fraction form
    244,626.70/366,940.05 = 211,384.30/x
  3. Step 3: Cross multiply
    244,626.70x = 366,940.05 × 211,384.30
  4. Step 4: Simplify right side
    244,626.70x = 77,565,365,611.22
  5. Step 5: Solve for x
    x = 77,565,365,611.22/244,626.70
  6. Step 6: Final answer
    x = 317,076.45

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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.