Finding the Fourth Proportional to 209,899.62, 289,772.37 and 168,616.35
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Solution
The fourth proportional to 209,899.62, 289,772.37 and 168,616.35 is: 232,779.65
Step by Step Solution
- Step 1: Write the proportion equation
209,899.62 : 289,772.37 = 168,616.35 : x - Step 2: Convert to fraction form
209,899.62/289,772.37 = 168,616.35/x - Step 3: Cross multiply
209,899.62x = 289,772.37 × 168,616.35 - Step 4: Simplify right side
209,899.62x = 48,860,359,360.25 - Step 5: Solve for x
x = 48,860,359,360.25/209,899.62 - Step 6: Final answer
x = 232,779.65
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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.