Finding the Fourth Proportional to 281,249.26, 388,047.12 and 160,346.44
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Solution
The fourth proportional to 281,249.26, 388,047.12 and 160,346.44 is: 221,234.27
Step by Step Solution
- Step 1: Write the proportion equation
281,249.26 : 388,047.12 = 160,346.44 : x - Step 2: Convert to fraction form
281,249.26/388,047.12 = 160,346.44/x - Step 3: Cross multiply
281,249.26x = 388,047.12 × 160,346.44 - Step 4: Simplify right side
281,249.26x = 62,221,974,244.25 - Step 5: Solve for x
x = 62,221,974,244.25/281,249.26 - Step 6: Final answer
x = 221,234.27
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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.