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Finding the Fourth Proportional to 268,568, 370,616.43 and 147,709.32

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Solution

The fourth proportional to 268,568, 370,616.43 and 147,709.32 is: 203,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,568 : 370,616.43 = 147,709.32 : x
  2. Step 2: Convert to fraction form
    268,568/370,616.43 = 147,709.32/x
  3. Step 3: Cross multiply
    268,568x = 370,616.43 × 147,709.32
  4. Step 4: Simplify right side
    268,568x = 54,743,500,856.13
  5. Step 5: Solve for x
    x = 54,743,500,856.13/268,568
  6. Step 6: Final answer
    x = 203,834.79

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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.