Finding the Fourth Proportional to 192,197.29, 288,399.37 and 79,954.99
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Solution
The fourth proportional to 192,197.29, 288,399.37 and 79,954.99 is: 119,975.51
Step by Step Solution
- Step 1: Write the proportion equation
192,197.29 : 288,399.37 = 79,954.99 : x - Step 2: Convert to fraction form
192,197.29/288,399.37 = 79,954.99/x - Step 3: Cross multiply
192,197.29x = 288,399.37 × 79,954.99 - Step 4: Simplify right side
192,197.29x = 23,058,968,744.36 - Step 5: Solve for x
x = 23,058,968,744.36/192,197.29 - Step 6: Final answer
x = 119,975.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.