Finding the Fourth Proportional to 213,992.92, 321,042.75 and 64,235.98
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Solution
The fourth proportional to 213,992.92, 321,042.75 and 64,235.98 is: 96,369.99
Step by Step Solution
- Step 1: Write the proportion equation
213,992.92 : 321,042.75 = 64,235.98 : x - Step 2: Convert to fraction form
213,992.92/321,042.75 = 64,235.98/x - Step 3: Cross multiply
213,992.92x = 321,042.75 × 64,235.98 - Step 4: Simplify right side
213,992.92x = 20,622,495,668.15 - Step 5: Solve for x
x = 20,622,495,668.15/213,992.92 - Step 6: Final answer
x = 96,369.99
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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.