Home / 258,629.87-356,855.72-151,179.12

Finding the Fourth Proportional to 258,629.87, 356,855.72 and 151,179.12

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Solution

The fourth proportional to 258,629.87, 356,855.72 and 151,179.12 is: 208,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,629.87 : 356,855.72 = 151,179.12 : x
  2. Step 2: Convert to fraction form
    258,629.87/356,855.72 = 151,179.12/x
  3. Step 3: Cross multiply
    258,629.87x = 356,855.72 × 151,179.12
  4. Step 4: Simplify right side
    258,629.87x = 53,949,133,716.57
  5. Step 5: Solve for x
    x = 53,949,133,716.57/258,629.87
  6. Step 6: Final answer
    x = 208,595.91

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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.