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Finding the Fourth Proportional to 299,148.36, 448,591.08 and 112,028.64

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Solution

The fourth proportional to 299,148.36, 448,591.08 and 112,028.64 is: 167,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,148.36 : 448,591.08 = 112,028.64 : x
  2. Step 2: Convert to fraction form
    299,148.36/448,591.08 = 112,028.64/x
  3. Step 3: Cross multiply
    299,148.36x = 448,591.08 × 112,028.64
  4. Step 4: Simplify right side
    299,148.36x = 50,255,048,608.53
  5. Step 5: Solve for x
    x = 50,255,048,608.53/299,148.36
  6. Step 6: Final answer
    x = 167,993.73

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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.