Finding the Fourth Proportional to 218,611.93, 301,680.41 and 119,157.39
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Solution
The fourth proportional to 218,611.93, 301,680.41 and 119,157.39 is: 164,434.99
Step by Step Solution
- Step 1: Write the proportion equation
218,611.93 : 301,680.41 = 119,157.39 : x - Step 2: Convert to fraction form
218,611.93/301,680.41 = 119,157.39/x - Step 3: Cross multiply
218,611.93x = 301,680.41 × 119,157.39 - Step 4: Simplify right side
218,611.93x = 35,947,449,515.53 - Step 5: Solve for x
x = 35,947,449,515.53/218,611.93 - Step 6: Final answer
x = 164,434.99
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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.