Home / 248,835.40-372,842.70-143,470.60

Finding the Fourth Proportional to 248,835.40, 372,842.70 and 143,470.60

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Solution

The fourth proportional to 248,835.40, 372,842.70 and 143,470.60 is: 214,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,835.40 : 372,842.70 = 143,470.60 : x
  2. Step 2: Convert to fraction form
    248,835.40/372,842.70 = 143,470.60/x
  3. Step 3: Cross multiply
    248,835.40x = 372,842.70 × 143,470.60
  4. Step 4: Simplify right side
    248,835.40x = 53,491,965,874.62
  5. Step 5: Solve for x
    x = 53,491,965,874.62/248,835.40
  6. Step 6: Final answer
    x = 214,969.28

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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.