Finding the Fourth Proportional to 209,637.42, 289,296.76 and 114,144.12
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Solution
The fourth proportional to 209,637.42, 289,296.76 and 114,144.12 is: 157,517.32
Step by Step Solution
- Step 1: Write the proportion equation
209,637.42 : 289,296.76 = 114,144.12 : x - Step 2: Convert to fraction form
209,637.42/289,296.76 = 114,144.12/x - Step 3: Cross multiply
209,637.42x = 289,296.76 × 114,144.12 - Step 4: Simplify right side
209,637.42x = 33,021,524,089.05 - Step 5: Solve for x
x = 33,021,524,089.05/209,637.42 - Step 6: Final answer
x = 157,517.32
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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.