Home / 286,621.16-395,546.34-159,321.32

Finding the Fourth Proportional to 286,621.16, 395,546.34 and 159,321.32

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Solution

The fourth proportional to 286,621.16, 395,546.34 and 159,321.32 is: 219,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,621.16 : 395,546.34 = 159,321.32 : x
  2. Step 2: Convert to fraction form
    286,621.16/395,546.34 = 159,321.32/x
  3. Step 3: Cross multiply
    286,621.16x = 395,546.34 × 159,321.32
  4. Step 4: Simplify right side
    286,621.16x = 63,018,965,009.97
  5. Step 5: Solve for x
    x = 63,018,965,009.97/286,621.16
  6. Step 6: Final answer
    x = 219,868.50

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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.