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Finding the Fourth Proportional to 270,797.15, 373,721.10 and 149,949.68

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Solution

The fourth proportional to 270,797.15, 373,721.10 and 149,949.68 is: 206,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,797.15 : 373,721.10 = 149,949.68 : x
  2. Step 2: Convert to fraction form
    270,797.15/373,721.10 = 149,949.68/x
  3. Step 3: Cross multiply
    270,797.15x = 373,721.10 × 149,949.68
  4. Step 4: Simplify right side
    270,797.15x = 56,039,357,485.64
  5. Step 5: Solve for x
    x = 56,039,357,485.64/270,797.15
  6. Step 6: Final answer
    x = 206,942.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.