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Finding the Fourth Proportional to 300,096.60, 449,051.40 and 187,830.60

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Solution

The fourth proportional to 300,096.60, 449,051.40 and 187,830.60 is: 281,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,096.60 : 449,051.40 = 187,830.60 : x
  2. Step 2: Convert to fraction form
    300,096.60/449,051.40 = 187,830.60/x
  3. Step 3: Cross multiply
    300,096.60x = 449,051.40 × 187,830.60
  4. Step 4: Simplify right side
    300,096.60x = 84,345,593,892.84
  5. Step 5: Solve for x
    x = 84,345,593,892.84/300,096.60
  6. Step 6: Final answer
    x = 281,061.48

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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.