Home / 299,837.01-449,880.18-131,270.55

Finding the Fourth Proportional to 299,837.01, 449,880.18 and 131,270.55

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Solution

The fourth proportional to 299,837.01, 449,880.18 and 131,270.55 is: 196,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,837.01 : 449,880.18 = 131,270.55 : x
  2. Step 2: Convert to fraction form
    299,837.01/449,880.18 = 131,270.55/x
  3. Step 3: Cross multiply
    299,837.01x = 449,880.18 × 131,270.55
  4. Step 4: Simplify right side
    299,837.01x = 59,056,018,662.70
  5. Step 5: Solve for x
    x = 59,056,018,662.70/299,837.01
  6. Step 6: Final answer
    x = 196,960.40

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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.