Home / 286,904-395,927.52-167,672

Finding the Fourth Proportional to 286,904, 395,927.52 and 167,672

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Solution

The fourth proportional to 286,904, 395,927.52 and 167,672 is: 231,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,904 : 395,927.52 = 167,672 : x
  2. Step 2: Convert to fraction form
    286,904/395,927.52 = 167,672/x
  3. Step 3: Cross multiply
    286,904x = 395,927.52 × 167,672
  4. Step 4: Simplify right side
    286,904x = 66,385,959,133.44
  5. Step 5: Solve for x
    x = 66,385,959,133.44/286,904
  6. Step 6: Final answer
    x = 231,387.36

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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.