Finding the Fourth Proportional to 209,587.24, 288,679.44 and 161,096.44
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Solution
The fourth proportional to 209,587.24, 288,679.44 and 161,096.44 is: 221,889.61
Step by Step Solution
- Step 1: Write the proportion equation
209,587.24 : 288,679.44 = 161,096.44 : x - Step 2: Convert to fraction form
209,587.24/288,679.44 = 161,096.44/x - Step 3: Cross multiply
209,587.24x = 288,679.44 × 161,096.44 - Step 4: Simplify right side
209,587.24x = 46,505,230,085.19 - Step 5: Solve for x
x = 46,505,230,085.19/209,587.24 - Step 6: Final answer
x = 221,889.61
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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.