Home / 286,427.01-395,205.64-173,247.33

Finding the Fourth Proportional to 286,427.01, 395,205.64 and 173,247.33

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Solution

The fourth proportional to 286,427.01, 395,205.64 and 173,247.33 is: 239,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,427.01 : 395,205.64 = 173,247.33 : x
  2. Step 2: Convert to fraction form
    286,427.01/395,205.64 = 173,247.33/x
  3. Step 3: Cross multiply
    286,427.01x = 395,205.64 × 173,247.33
  4. Step 4: Simplify right side
    286,427.01x = 68,468,321,930.94
  5. Step 5: Solve for x
    x = 68,468,321,930.94/286,427.01
  6. Step 6: Final answer
    x = 239,042.83

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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.