Home / 286,276.28-395,049.30-158,944.28

Finding the Fourth Proportional to 286,276.28, 395,049.30 and 158,944.28

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Solution

The fourth proportional to 286,276.28, 395,049.30 and 158,944.28 is: 219,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,276.28 : 395,049.30 = 158,944.28 : x
  2. Step 2: Convert to fraction form
    286,276.28/395,049.30 = 158,944.28/x
  3. Step 3: Cross multiply
    286,276.28x = 395,049.30 × 158,944.28
  4. Step 4: Simplify right side
    286,276.28x = 62,790,826,553.00
  5. Step 5: Solve for x
    x = 62,790,826,553.00/286,276.28
  6. Step 6: Final answer
    x = 219,336.46

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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.