Finding the Fourth Proportional to 203,883.60, 281,361.24 and 118,984.26
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Solution
The fourth proportional to 203,883.60, 281,361.24 and 118,984.26 is: 164,199.37
Step by Step Solution
- Step 1: Write the proportion equation
203,883.60 : 281,361.24 = 118,984.26 : x - Step 2: Convert to fraction form
203,883.60/281,361.24 = 118,984.26/x - Step 3: Cross multiply
203,883.60x = 281,361.24 × 118,984.26 - Step 4: Simplify right side
203,883.60x = 33,477,558,934.08 - Step 5: Solve for x
x = 33,477,558,934.08/203,883.60 - Step 6: Final answer
x = 164,199.37
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1.5x scale
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.