Home / 248,766.40-372,739.20-143,401.60

Finding the Fourth Proportional to 248,766.40, 372,739.20 and 143,401.60

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Solution

The fourth proportional to 248,766.40, 372,739.20 and 143,401.60 is: 214,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,766.40 : 372,739.20 = 143,401.60 : x
  2. Step 2: Convert to fraction form
    248,766.40/372,739.20 = 143,401.60/x
  3. Step 3: Cross multiply
    248,766.40x = 372,739.20 × 143,401.60
  4. Step 4: Simplify right side
    248,766.40x = 53,451,397,662.72
  5. Step 5: Solve for x
    x = 53,451,397,662.72/248,766.40
  6. Step 6: Final answer
    x = 214,865.82

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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.