Home / 286,639.44-394,878.66-200,437.22

Finding the Fourth Proportional to 286,639.44, 394,878.66 and 200,437.22

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Solution

The fourth proportional to 286,639.44, 394,878.66 and 200,437.22 is: 276,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,639.44 : 394,878.66 = 200,437.22 : x
  2. Step 2: Convert to fraction form
    286,639.44/394,878.66 = 200,437.22/x
  3. Step 3: Cross multiply
    286,639.44x = 394,878.66 × 200,437.22
  4. Step 4: Simplify right side
    286,639.44x = 79,148,380,847.73
  5. Step 5: Solve for x
    x = 79,148,380,847.73/286,639.44
  6. Step 6: Final answer
    x = 276,125.23

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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.