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Finding the Fourth Proportional to 244,105.20, 365,866.20 and 125,715.60

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Solution

The fourth proportional to 244,105.20, 365,866.20 and 125,715.60 is: 188,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,105.20 : 365,866.20 = 125,715.60 : x
  2. Step 2: Convert to fraction form
    244,105.20/365,866.20 = 125,715.60/x
  3. Step 3: Cross multiply
    244,105.20x = 365,866.20 × 125,715.60
  4. Step 4: Simplify right side
    244,105.20x = 45,995,088,852.72
  5. Step 5: Solve for x
    x = 45,995,088,852.72/244,105.20
  6. Step 6: Final answer
    x = 188,423.22

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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.