Finding the Fourth Proportional to 412,660.80, 618,904.80 and 202,449.60
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Solution
The fourth proportional to 412,660.80, 618,904.80 and 202,449.60 is: 303,632.01
Step by Step Solution
- Step 1: Write the proportion equation
412,660.80 : 618,904.80 = 202,449.60 : x - Step 2: Convert to fraction form
412,660.80/618,904.80 = 202,449.60/x - Step 3: Cross multiply
412,660.80x = 618,904.80 × 202,449.60 - Step 4: Simplify right side
412,660.80x = 125,297,029,198.08 - Step 5: Solve for x
x = 125,297,029,198.08/412,660.80 - Step 6: Final answer
x = 303,632.01
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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.