Home / 212,927.97-319,392.09-119,499.33

Finding the Fourth Proportional to 212,927.97, 319,392.09 and 119,499.33

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Solution

The fourth proportional to 212,927.97, 319,392.09 and 119,499.33 is: 179,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,927.97 : 319,392.09 = 119,499.33 : x
  2. Step 2: Convert to fraction form
    212,927.97/319,392.09 = 119,499.33/x
  3. Step 3: Cross multiply
    212,927.97x = 319,392.09 × 119,499.33
  4. Step 4: Simplify right side
    212,927.97x = 38,167,138,567.84
  5. Step 5: Solve for x
    x = 38,167,138,567.84/212,927.97
  6. Step 6: Final answer
    x = 179,249.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.