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Finding the Fourth Proportional to 299,662.11, 449,510.45 and 112,675.23

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Solution

The fourth proportional to 299,662.11, 449,510.45 and 112,675.23 is: 169,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,662.11 : 449,510.45 = 112,675.23 : x
  2. Step 2: Convert to fraction form
    299,662.11/449,510.45 = 112,675.23/x
  3. Step 3: Cross multiply
    299,662.11x = 449,510.45 × 112,675.23
  4. Step 4: Simplify right side
    299,662.11x = 50,648,692,777.78
  5. Step 5: Solve for x
    x = 50,648,692,777.78/299,662.11
  6. Step 6: Final answer
    x = 169,019.34

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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.