Finding the Fourth Proportional to 397,268.93, 548,241.93 and 215,993.05
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Solution
The fourth proportional to 397,268.93, 548,241.93 and 215,993.05 is: 298,076.28
Step by Step Solution
- Step 1: Write the proportion equation
397,268.93 : 548,241.93 = 215,993.05 : x - Step 2: Convert to fraction form
397,268.93/548,241.93 = 215,993.05/x - Step 3: Cross multiply
397,268.93x = 548,241.93 × 215,993.05 - Step 4: Simplify right side
397,268.93x = 118,416,445,227.98 - Step 5: Solve for x
x = 118,416,445,227.98/397,268.93 - Step 6: Final answer
x = 298,076.28
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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.