Finding the Fourth Proportional to 201,621.93, 278,236.06 and 110,975.95
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Solution
The fourth proportional to 201,621.93, 278,236.06 and 110,975.95 is: 153,145.60
Step by Step Solution
- Step 1: Write the proportion equation
201,621.93 : 278,236.06 = 110,975.95 : x - Step 2: Convert to fraction form
201,621.93/278,236.06 = 110,975.95/x - Step 3: Cross multiply
201,621.93x = 278,236.06 × 110,975.95 - Step 4: Simplify right side
201,621.93x = 30,877,511,082.76 - Step 5: Solve for x
x = 30,877,511,082.76/201,621.93 - Step 6: Final answer
x = 153,145.60
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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.