Home / 298,921.25-447,999.10-163,983.35

Finding the Fourth Proportional to 298,921.25, 447,999.10 and 163,983.35

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Solution

The fourth proportional to 298,921.25, 447,999.10 and 163,983.35 is: 245,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,921.25 : 447,999.10 = 163,983.35 : x
  2. Step 2: Convert to fraction form
    298,921.25/447,999.10 = 163,983.35/x
  3. Step 3: Cross multiply
    298,921.25x = 447,999.10 × 163,983.35
  4. Step 4: Simplify right side
    298,921.25x = 73,464,394,847.43
  5. Step 5: Solve for x
    x = 73,464,394,847.43/298,921.25
  6. Step 6: Final answer
    x = 245,765.04

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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.