Finding the Fourth Proportional to 203,982.30, 281,479.12 and 117,946.80
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Solution
The fourth proportional to 203,982.30, 281,479.12 and 117,946.80 is: 162,757.07
Step by Step Solution
- Step 1: Write the proportion equation
203,982.30 : 281,479.12 = 117,946.80 : x - Step 2: Convert to fraction form
203,982.30/281,479.12 = 117,946.80/x - Step 3: Cross multiply
203,982.30x = 281,479.12 × 117,946.80 - Step 4: Simplify right side
203,982.30x = 33,199,561,175.95 - Step 5: Solve for x
x = 33,199,561,175.95/203,982.30 - Step 6: Final answer
x = 162,757.07
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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.