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Finding the Fourth Proportional to 301,480.40, 451,702.20 and 196,245.20

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Solution

The fourth proportional to 301,480.40, 451,702.20 and 196,245.20 is: 294,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,480.40 : 451,702.20 = 196,245.20 : x
  2. Step 2: Convert to fraction form
    301,480.40/451,702.20 = 196,245.20/x
  3. Step 3: Cross multiply
    301,480.40x = 451,702.20 × 196,245.20
  4. Step 4: Simplify right side
    301,480.40x = 88,644,388,579.44
  5. Step 5: Solve for x
    x = 88,644,388,579.44/301,480.40
  6. Step 6: Final answer
    x = 294,030.35

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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.