Home / 248,760.40-372,730.20-143,395.60

Finding the Fourth Proportional to 248,760.40, 372,730.20 and 143,395.60

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Solution

The fourth proportional to 248,760.40, 372,730.20 and 143,395.60 is: 214,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,760.40 : 372,730.20 = 143,395.60 : x
  2. Step 2: Convert to fraction form
    248,760.40/372,730.20 = 143,395.60/x
  3. Step 3: Cross multiply
    248,760.40x = 372,730.20 × 143,395.60
  4. Step 4: Simplify right side
    248,760.40x = 53,447,870,667.12
  5. Step 5: Solve for x
    x = 53,447,870,667.12/248,760.40
  6. Step 6: Final answer
    x = 214,856.83

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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.