Finding the Fourth Proportional to 412,480.80, 618,634.80 and 202,269.60
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Solution
The fourth proportional to 412,480.80, 618,634.80 and 202,269.60 is: 303,362.03
Step by Step Solution
- Step 1: Write the proportion equation
412,480.80 : 618,634.80 = 202,269.60 : x - Step 2: Convert to fraction form
412,480.80/618,634.80 = 202,269.60/x - Step 3: Cross multiply
412,480.80x = 618,634.80 × 202,269.60 - Step 4: Simplify right side
412,480.80x = 125,131,013,542.08 - Step 5: Solve for x
x = 125,131,013,542.08/412,480.80 - Step 6: Final answer
x = 303,362.03
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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.