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Finding the Fourth Proportional to 244,847.38, 366,921.15 and 139,448.56

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Solution

The fourth proportional to 244,847.38, 366,921.15 and 139,448.56 is: 208,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,847.38 : 366,921.15 = 139,448.56 : x
  2. Step 2: Convert to fraction form
    244,847.38/366,921.15 = 139,448.56/x
  3. Step 3: Cross multiply
    244,847.38x = 366,921.15 × 139,448.56
  4. Step 4: Simplify right side
    244,847.38x = 51,166,626,001.04
  5. Step 5: Solve for x
    x = 51,166,626,001.04/244,847.38
  6. Step 6: Final answer
    x = 208,973.55

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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.