Finding the Fourth Proportional to 290,611.37, 401,028.26 and 163,278.75
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Solution
The fourth proportional to 290,611.37, 401,028.26 and 163,278.75 is: 225,316.01
Step by Step Solution
- Step 1: Write the proportion equation
290,611.37 : 401,028.26 = 163,278.75 : x - Step 2: Convert to fraction form
290,611.37/401,028.26 = 163,278.75/x - Step 3: Cross multiply
290,611.37x = 401,028.26 × 163,278.75 - Step 4: Simplify right side
290,611.37x = 65,479,392,191.08 - Step 5: Solve for x
x = 65,479,392,191.08/290,611.37 - Step 6: Final answer
x = 225,316.01
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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.