Finding the Fourth Proportional to 203,154.14, 280,399.37 and 135,173.97
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Solution
The fourth proportional to 203,154.14, 280,399.37 and 135,173.97 is: 186,571.12
Step by Step Solution
- Step 1: Write the proportion equation
203,154.14 : 280,399.37 = 135,173.97 : x - Step 2: Convert to fraction form
203,154.14/280,399.37 = 135,173.97/x - Step 3: Cross multiply
203,154.14x = 280,399.37 × 135,173.97 - Step 4: Simplify right side
203,154.14x = 37,902,695,352.53 - Step 5: Solve for x
x = 37,902,695,352.53/203,154.14 - Step 6: Final answer
x = 186,571.12
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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.