Finding the Fourth Proportional to 194,519.70, 268,460.28 and 108,492.75
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Solution
The fourth proportional to 194,519.70, 268,460.28 and 108,492.75 is: 149,732.88
Step by Step Solution
- Step 1: Write the proportion equation
194,519.70 : 268,460.28 = 108,492.75 : x - Step 2: Convert to fraction form
194,519.70/268,460.28 = 108,492.75/x - Step 3: Cross multiply
194,519.70x = 268,460.28 × 108,492.75 - Step 4: Simplify right side
194,519.70x = 29,125,994,042.97 - Step 5: Solve for x
x = 29,125,994,042.97/194,519.70 - Step 6: Final answer
x = 149,732.88
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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.