Finding the Fourth Proportional to 200,728.18, 276,984.93 and 115,872.58
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Solution
The fourth proportional to 200,728.18, 276,984.93 and 115,872.58 is: 159,892.64
Step by Step Solution
- Step 1: Write the proportion equation
200,728.18 : 276,984.93 = 115,872.58 : x - Step 2: Convert to fraction form
200,728.18/276,984.93 = 115,872.58/x - Step 3: Cross multiply
200,728.18x = 276,984.93 × 115,872.58 - Step 4: Simplify right side
200,728.18x = 32,094,958,460.22 - Step 5: Solve for x
x = 32,094,958,460.22/200,728.18 - Step 6: Final answer
x = 159,892.64
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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.