Finding the Fourth Proportional to 136,964.97, 205,480.67 and 43,471.53
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Solution
The fourth proportional to 136,964.97, 205,480.67 and 43,471.53 is: 65,217.84
Step by Step Solution
- Step 1: Write the proportion equation
136,964.97 : 205,480.67 = 43,471.53 : x - Step 2: Convert to fraction form
136,964.97/205,480.67 = 43,471.53/x - Step 3: Cross multiply
136,964.97x = 205,480.67 × 43,471.53 - Step 4: Simplify right side
136,964.97x = 8,932,558,892.97 - Step 5: Solve for x
x = 8,932,558,892.97/136,964.97 - Step 6: Final answer
x = 65,217.84
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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.