Home / 282,132.72-388,858.32-268,845.48

Finding the Fourth Proportional to 282,132.72, 388,858.32 and 268,845.48

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Solution

The fourth proportional to 282,132.72, 388,858.32 and 268,845.48 is: 370,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.72 : 388,858.32 = 268,845.48 : x
  2. Step 2: Convert to fraction form
    282,132.72/388,858.32 = 268,845.48/x
  3. Step 3: Cross multiply
    282,132.72x = 388,858.32 × 268,845.48
  4. Step 4: Simplify right side
    282,132.72x = 104,542,801,692.39
  5. Step 5: Solve for x
    x = 104,542,801,692.39/282,132.72
  6. Step 6: Final answer
    x = 370,544.76

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1.5x scale

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.