Finding the Fourth Proportional to 182,378.40, 251,708.62 and 131,559.54
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Solution
The fourth proportional to 182,378.40, 251,708.62 and 131,559.54 is: 181,571.23
Step by Step Solution
- Step 1: Write the proportion equation
182,378.40 : 251,708.62 = 131,559.54 : x - Step 2: Convert to fraction form
182,378.40/251,708.62 = 131,559.54/x - Step 3: Cross multiply
182,378.40x = 251,708.62 × 131,559.54 - Step 4: Simplify right side
182,378.40x = 33,114,670,261.23 - Step 5: Solve for x
x = 33,114,670,261.23/182,378.40 - Step 6: Final answer
x = 181,571.23
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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.