Finding the Fourth Proportional to 203,207.73, 280,563.65 and 126,843.13
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Solution
The fourth proportional to 203,207.73, 280,563.65 and 126,843.13 is: 175,129.02
Step by Step Solution
- Step 1: Write the proportion equation
203,207.73 : 280,563.65 = 126,843.13 : x - Step 2: Convert to fraction form
203,207.73/280,563.65 = 126,843.13/x - Step 3: Cross multiply
203,207.73x = 280,563.65 × 126,843.13 - Step 4: Simplify right side
203,207.73x = 35,587,571,530.22 - Step 5: Solve for x
x = 35,587,571,530.22/203,207.73 - Step 6: Final answer
x = 175,129.02
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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.