Finding the Fourth Proportional to 213,272.94, 319,790.34 and 134,217.75
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Solution
The fourth proportional to 213,272.94, 319,790.34 and 134,217.75 is: 201,251.69
Step by Step Solution
- Step 1: Write the proportion equation
213,272.94 : 319,790.34 = 134,217.75 : x - Step 2: Convert to fraction form
213,272.94/319,790.34 = 134,217.75/x - Step 3: Cross multiply
213,272.94x = 319,790.34 × 134,217.75 - Step 4: Simplify right side
213,272.94x = 42,921,539,906.54 - Step 5: Solve for x
x = 42,921,539,906.54/213,272.94 - Step 6: Final answer
x = 201,251.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.