Finding the Fourth Proportional to 151,261.37, 226,591.35 and 138,861.08
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Solution
The fourth proportional to 151,261.37, 226,591.35 and 138,861.08 is: 208,015.56
Step by Step Solution
- Step 1: Write the proportion equation
151,261.37 : 226,591.35 = 138,861.08 : x - Step 2: Convert to fraction form
151,261.37/226,591.35 = 138,861.08/x - Step 3: Cross multiply
151,261.37x = 226,591.35 × 138,861.08 - Step 4: Simplify right side
151,261.37x = 31,464,719,451.83 - Step 5: Solve for x
x = 31,464,719,451.83/151,261.37 - Step 6: Final answer
x = 208,015.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.