Home / 200,249.08-276,405.24-115,422.60

Finding the Fourth Proportional to 200,249.08, 276,405.24 and 115,422.60

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Solution

The fourth proportional to 200,249.08, 276,405.24 and 115,422.60 is: 159,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,249.08 : 276,405.24 = 115,422.60 : x
  2. Step 2: Convert to fraction form
    200,249.08/276,405.24 = 115,422.60/x
  3. Step 3: Cross multiply
    200,249.08x = 276,405.24 × 115,422.60
  4. Step 4: Simplify right side
    200,249.08x = 31,903,411,454.42
  5. Step 5: Solve for x
    x = 31,903,411,454.42/200,249.08
  6. Step 6: Final answer
    x = 159,318.64

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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.