Finding the Fourth Proportional to 203,687.36, 281,122.34 and 118,804.42
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Solution
The fourth proportional to 203,687.36, 281,122.34 and 118,804.42 is: 163,969.80
Step by Step Solution
- Step 1: Write the proportion equation
203,687.36 : 281,122.34 = 118,804.42 : x - Step 2: Convert to fraction form
203,687.36/281,122.34 = 118,804.42/x - Step 3: Cross multiply
203,687.36x = 281,122.34 × 118,804.42 - Step 4: Simplify right side
203,687.36x = 33,398,576,552.74 - Step 5: Solve for x
x = 33,398,576,552.74/203,687.36 - Step 6: Final answer
x = 163,969.80
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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.