Home / 248,288.10-372,469.21-115,181.81

Finding the Fourth Proportional to 248,288.10, 372,469.21 and 115,181.81

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Solution

The fourth proportional to 248,288.10, 372,469.21 and 115,181.81 is: 172,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,288.10 : 372,469.21 = 115,181.81 : x
  2. Step 2: Convert to fraction form
    248,288.10/372,469.21 = 115,181.81/x
  3. Step 3: Cross multiply
    248,288.10x = 372,469.21 × 115,181.81
  4. Step 4: Simplify right side
    248,288.10x = 42,901,679,442.62
  5. Step 5: Solve for x
    x = 42,901,679,442.62/248,288.10
  6. Step 6: Final answer
    x = 172,789.91

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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.