Finding the Fourth Proportional to 209,318.38, 288,850.56 and 118,680.42
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Solution
The fourth proportional to 209,318.38, 288,850.56 and 118,680.42 is: 163,773.99
Step by Step Solution
- Step 1: Write the proportion equation
209,318.38 : 288,850.56 = 118,680.42 : x - Step 2: Convert to fraction form
209,318.38/288,850.56 = 118,680.42/x - Step 3: Cross multiply
209,318.38x = 288,850.56 × 118,680.42 - Step 4: Simplify right side
209,318.38x = 34,280,906,416.17 - Step 5: Solve for x
x = 34,280,906,416.17/209,318.38 - Step 6: Final answer
x = 163,773.99
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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.