Finding the Fourth Proportional to 305,049.95, 420,979.73 and 184,167.62
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Solution
The fourth proportional to 305,049.95, 420,979.73 and 184,167.62 is: 254,157.84
Step by Step Solution
- Step 1: Write the proportion equation
305,049.95 : 420,979.73 = 184,167.62 : x - Step 2: Convert to fraction form
305,049.95/420,979.73 = 184,167.62/x - Step 3: Cross multiply
305,049.95x = 420,979.73 × 184,167.62 - Step 4: Simplify right side
305,049.95x = 77,530,836,899.23 - Step 5: Solve for x
x = 77,530,836,899.23/305,049.95 - Step 6: Final answer
x = 254,157.84
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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.