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Finding the Fourth Proportional to 203,454.40, 305,181.60 and 164,088.40

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Solution

The fourth proportional to 203,454.40, 305,181.60 and 164,088.40 is: 246,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,454.40 : 305,181.60 = 164,088.40 : x
  2. Step 2: Convert to fraction form
    203,454.40/305,181.60 = 164,088.40/x
  3. Step 3: Cross multiply
    203,454.40x = 305,181.60 × 164,088.40
  4. Step 4: Simplify right side
    203,454.40x = 50,076,760,453.44
  5. Step 5: Solve for x
    x = 50,076,760,453.44/203,454.40
  6. Step 6: Final answer
    x = 246,132.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.