Finding the Fourth Proportional to 788,241.10, 1,182,361.67 and 189,202.26
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Solution
The fourth proportional to 788,241.10, 1,182,361.67 and 189,202.26 is: 283,803.39
Step by Step Solution
- Step 1: Write the proportion equation
788,241.10 : 1,182,361.67 = 189,202.26 : x - Step 2: Convert to fraction form
788,241.10/1,182,361.67 = 189,202.26/x - Step 3: Cross multiply
788,241.10x = 1,182,361.67 × 189,202.26 - Step 4: Simplify right side
788,241.10x = 223,705,498,778.51 - Step 5: Solve for x
x = 223,705,498,778.51/788,241.10 - Step 6: Final answer
x = 283,803.39
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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.