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Finding the Fourth Proportional to 448,103.40, 618,375.78 and 246,906.60

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Solution

The fourth proportional to 448,103.40, 618,375.78 and 246,906.60 is: 340,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,103.40 : 618,375.78 = 246,906.60 : x
  2. Step 2: Convert to fraction form
    448,103.40/618,375.78 = 246,906.60/x
  3. Step 3: Cross multiply
    448,103.40x = 618,375.78 × 246,906.60
  4. Step 4: Simplify right side
    448,103.40x = 152,681,061,362.15
  5. Step 5: Solve for x
    x = 152,681,061,362.15/448,103.40
  6. Step 6: Final answer
    x = 340,727.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.