Home / 225,976.64-311,815.17-145,513.26

Finding the Fourth Proportional to 225,976.64, 311,815.17 and 145,513.26

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Solution

The fourth proportional to 225,976.64, 311,815.17 and 145,513.26 is: 200,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,976.64 : 311,815.17 = 145,513.26 : x
  2. Step 2: Convert to fraction form
    225,976.64/311,815.17 = 145,513.26/x
  3. Step 3: Cross multiply
    225,976.64x = 311,815.17 × 145,513.26
  4. Step 4: Simplify right side
    225,976.64x = 45,373,241,904.15
  5. Step 5: Solve for x
    x = 45,373,241,904.15/225,976.64
  6. Step 6: Final answer
    x = 200,787.32

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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.