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Finding the Fourth Proportional to 299,264.60, 449,115.60 and 210,691.10

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Solution

The fourth proportional to 299,264.60, 449,115.60 and 210,691.10 is: 316,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,264.60 : 449,115.60 = 210,691.10 : x
  2. Step 2: Convert to fraction form
    299,264.60/449,115.60 = 210,691.10/x
  3. Step 3: Cross multiply
    299,264.60x = 449,115.60 × 210,691.10
  4. Step 4: Simplify right side
    299,264.60x = 94,624,659,791.16
  5. Step 5: Solve for x
    x = 94,624,659,791.16/299,264.60
  6. Step 6: Final answer
    x = 316,190.62

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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.