Home / 248,288.90-372,174.75-115,059.69

Finding the Fourth Proportional to 248,288.90, 372,174.75 and 115,059.69

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Solution

The fourth proportional to 248,288.90, 372,174.75 and 115,059.69 is: 172,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,288.90 : 372,174.75 = 115,059.69 : x
  2. Step 2: Convert to fraction form
    248,288.90/372,174.75 = 115,059.69/x
  3. Step 3: Cross multiply
    248,288.90x = 372,174.75 × 115,059.69
  4. Step 4: Simplify right side
    248,288.90x = 42,822,311,360.83
  5. Step 5: Solve for x
    x = 42,822,311,360.83/248,288.90
  6. Step 6: Final answer
    x = 172,469.70

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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.