Finding the Fourth Proportional to 178,361.88, 246,098.96 and 121,009.02
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Solution
The fourth proportional to 178,361.88, 246,098.96 and 121,009.02 is: 166,965.02
Step by Step Solution
- Step 1: Write the proportion equation
178,361.88 : 246,098.96 = 121,009.02 : x - Step 2: Convert to fraction form
178,361.88/246,098.96 = 121,009.02/x - Step 3: Cross multiply
178,361.88x = 246,098.96 × 121,009.02 - Step 4: Simplify right side
178,361.88x = 29,780,193,972.62 - Step 5: Solve for x
x = 29,780,193,972.62/178,361.88 - Step 6: Final answer
x = 166,965.02
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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.