Finding the Fourth Proportional to 212,102.26, 292,703.09 and 116,609.63
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Solution
The fourth proportional to 212,102.26, 292,703.09 and 116,609.63 is: 160,922.37
Step by Step Solution
- Step 1: Write the proportion equation
212,102.26 : 292,703.09 = 116,609.63 : x - Step 2: Convert to fraction form
212,102.26/292,703.09 = 116,609.63/x - Step 3: Cross multiply
212,102.26x = 292,703.09 × 116,609.63 - Step 4: Simplify right side
212,102.26x = 34,131,996,978.19 - Step 5: Solve for x
x = 34,131,996,978.19/212,102.26 - Step 6: Final answer
x = 160,922.37
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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.