Finding the Fourth Proportional to 155,287.44, 214,296.84 and 88,232.40
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Solution
The fourth proportional to 155,287.44, 214,296.84 and 88,232.40 is: 121,760.81
Step by Step Solution
- Step 1: Write the proportion equation
155,287.44 : 214,296.84 = 88,232.40 : x - Step 2: Convert to fraction form
155,287.44/214,296.84 = 88,232.40/x - Step 3: Cross multiply
155,287.44x = 214,296.84 × 88,232.40 - Step 4: Simplify right side
155,287.44x = 18,907,924,505.62 - Step 5: Solve for x
x = 18,907,924,505.62/155,287.44 - Step 6: Final answer
x = 121,760.81
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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.