Finding the Fourth Proportional to 209,657.01, 289,317.99 and 114,163.48
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Solution
The fourth proportional to 209,657.01, 289,317.99 and 114,163.48 is: 157,540.87
Step by Step Solution
- Step 1: Write the proportion equation
209,657.01 : 289,317.99 = 114,163.48 : x - Step 2: Convert to fraction form
209,657.01/289,317.99 = 114,163.48/x - Step 3: Cross multiply
209,657.01x = 289,317.99 × 114,163.48 - Step 4: Simplify right side
209,657.01x = 33,029,548,565.01 - Step 5: Solve for x
x = 33,029,548,565.01/209,657.01 - Step 6: Final answer
x = 157,540.87
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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.