Finding the Fourth Proportional to 209,082.26, 288,512.70 and 118,420.14
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Solution
The fourth proportional to 209,082.26, 288,512.70 and 118,420.14 is: 163,408.00
Step by Step Solution
- Step 1: Write the proportion equation
209,082.26 : 288,512.70 = 118,420.14 : x - Step 2: Convert to fraction form
209,082.26/288,512.70 = 118,420.14/x - Step 3: Cross multiply
209,082.26x = 288,512.70 × 118,420.14 - Step 4: Simplify right side
209,082.26x = 34,165,714,325.78 - Step 5: Solve for x
x = 34,165,714,325.78/209,082.26 - Step 6: Final answer
x = 163,408.00
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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.