Home / 286,321.97-395,125.02-158,997.56

Finding the Fourth Proportional to 286,321.97, 395,125.02 and 158,997.56

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Solution

The fourth proportional to 286,321.97, 395,125.02 and 158,997.56 is: 219,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,321.97 : 395,125.02 = 158,997.56 : x
  2. Step 2: Convert to fraction form
    286,321.97/395,125.02 = 158,997.56/x
  3. Step 3: Cross multiply
    286,321.97x = 395,125.02 × 158,997.56
  4. Step 4: Simplify right side
    286,321.97x = 62,823,912,099.33
  5. Step 5: Solve for x
    x = 62,823,912,099.33/286,321.97
  6. Step 6: Final answer
    x = 219,417.02

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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.