Finding the Fourth Proportional to 225,880.18, 311,724.42 and 135,218.59
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Solution
The fourth proportional to 225,880.18, 311,724.42 and 135,218.59 is: 186,607.50
Step by Step Solution
- Step 1: Write the proportion equation
225,880.18 : 311,724.42 = 135,218.59 : x - Step 2: Convert to fraction form
225,880.18/311,724.42 = 135,218.59/x - Step 3: Cross multiply
225,880.18x = 311,724.42 × 135,218.59 - Step 4: Simplify right side
225,880.18x = 42,150,936,540.97 - Step 5: Solve for x
x = 42,150,936,540.97/225,880.18 - Step 6: Final answer
x = 186,607.50
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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.