Finding the Fourth Proportional to 212,161.27, 292,790.06 and 116,675.23
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Solution
The fourth proportional to 212,161.27, 292,790.06 and 116,675.23 is: 161,015.95
Step by Step Solution
- Step 1: Write the proportion equation
212,161.27 : 292,790.06 = 116,675.23 : x - Step 2: Convert to fraction form
212,161.27/292,790.06 = 116,675.23/x - Step 3: Cross multiply
212,161.27x = 292,790.06 × 116,675.23 - Step 4: Simplify right side
212,161.27x = 34,161,347,592.21 - Step 5: Solve for x
x = 34,161,347,592.21/212,161.27 - Step 6: Final answer
x = 161,015.95
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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.