Finding the Fourth Proportional to 187,378.44, 281,068.14 and 76,570.44
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Solution
The fourth proportional to 187,378.44, 281,068.14 and 76,570.44 is: 114,855.86
Step by Step Solution
- Step 1: Write the proportion equation
187,378.44 : 281,068.14 = 76,570.44 : x - Step 2: Convert to fraction form
187,378.44/281,068.14 = 76,570.44/x - Step 3: Cross multiply
187,378.44x = 281,068.14 × 76,570.44 - Step 4: Simplify right side
187,378.44x = 21,521,511,149.78 - Step 5: Solve for x
x = 21,521,511,149.78/187,378.44 - Step 6: Final answer
x = 114,855.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.