Finding the Fourth Proportional to 281,382.09, 388,344.24 and 160,495.62
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Solution
The fourth proportional to 281,382.09, 388,344.24 and 160,495.62 is: 221,505.03
Step by Step Solution
- Step 1: Write the proportion equation
281,382.09 : 388,344.24 = 160,495.62 : x - Step 2: Convert to fraction form
281,382.09/388,344.24 = 160,495.62/x - Step 3: Cross multiply
281,382.09x = 388,344.24 × 160,495.62 - Step 4: Simplify right side
281,382.09x = 62,327,549,572.23 - Step 5: Solve for x
x = 62,327,549,572.23/281,382.09 - Step 6: Final answer
x = 221,505.03
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1.5x scale
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.