Finding the Fourth Proportional to 203,643.68, 281,027.44 and 113,013.44
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Solution
The fourth proportional to 203,643.68, 281,027.44 and 113,013.44 is: 155,958.08
Step by Step Solution
- Step 1: Write the proportion equation
203,643.68 : 281,027.44 = 113,013.44 : x - Step 2: Convert to fraction form
203,643.68/281,027.44 = 113,013.44/x - Step 3: Cross multiply
203,643.68x = 281,027.44 × 113,013.44 - Step 4: Simplify right side
203,643.68x = 31,759,877,728.79 - Step 5: Solve for x
x = 31,759,877,728.79/203,643.68 - Step 6: Final answer
x = 155,958.08
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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.