Finding the Fourth Proportional to 222,134.88, 306,227.28 and 158,361.96
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Solution
The fourth proportional to 222,134.88, 306,227.28 and 158,361.96 is: 218,312.19
Step by Step Solution
- Step 1: Write the proportion equation
222,134.88 : 306,227.28 = 158,361.96 : x - Step 2: Convert to fraction form
222,134.88/306,227.28 = 158,361.96/x - Step 3: Cross multiply
222,134.88x = 306,227.28 × 158,361.96 - Step 4: Simplify right side
222,134.88x = 48,494,750,735.13 - Step 5: Solve for x
x = 48,494,750,735.13/222,134.88 - Step 6: Final answer
x = 218,312.19
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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.