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Finding the Fourth Proportional to 268,868, 371,037.84 and 149,664.16

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Solution

The fourth proportional to 268,868, 371,037.84 and 149,664.16 is: 206,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,868 : 371,037.84 = 149,664.16 : x
  2. Step 2: Convert to fraction form
    268,868/371,037.84 = 149,664.16/x
  3. Step 3: Cross multiply
    268,868x = 371,037.84 × 149,664.16
  4. Step 4: Simplify right side
    268,868x = 55,531,066,651.81
  5. Step 5: Solve for x
    x = 55,531,066,651.81/268,868
  6. Step 6: Final answer
    x = 206,536.54

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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.