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Finding the Fourth Proportional to 299,663.42, 449,494.31 and 246,860.60

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Solution

The fourth proportional to 299,663.42, 449,494.31 and 246,860.60 is: 370,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,663.42 : 449,494.31 = 246,860.60 : x
  2. Step 2: Convert to fraction form
    299,663.42/449,494.31 = 246,860.60/x
  3. Step 3: Cross multiply
    299,663.42x = 449,494.31 × 246,860.60
  4. Step 4: Simplify right side
    299,663.42x = 110,962,433,432.87
  5. Step 5: Solve for x
    x = 110,962,433,432.87/299,663.42
  6. Step 6: Final answer
    x = 370,290.23

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1.5x scale

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.