Home / 248,653.31-372,979.62-115,460.73

Finding the Fourth Proportional to 248,653.31, 372,979.62 and 115,460.73

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Solution

The fourth proportional to 248,653.31, 372,979.62 and 115,460.73 is: 173,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,653.31 : 372,979.62 = 115,460.73 : x
  2. Step 2: Convert to fraction form
    248,653.31/372,979.62 = 115,460.73/x
  3. Step 3: Cross multiply
    248,653.31x = 372,979.62 × 115,460.73
  4. Step 4: Simplify right side
    248,653.31x = 43,064,499,200.32
  5. Step 5: Solve for x
    x = 43,064,499,200.32/248,653.31
  6. Step 6: Final answer
    x = 173,190.94

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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.