Finding the Fourth Proportional to 192,706.94, 288,863.04 and 66,309.14
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Solution
The fourth proportional to 192,706.94, 288,863.04 and 66,309.14 is: 99,395.80
Step by Step Solution
- Step 1: Write the proportion equation
192,706.94 : 288,863.04 = 66,309.14 : x - Step 2: Convert to fraction form
192,706.94/288,863.04 = 66,309.14/x - Step 3: Cross multiply
192,706.94x = 288,863.04 × 66,309.14 - Step 4: Simplify right side
192,706.94x = 19,154,259,760.19 - Step 5: Solve for x
x = 19,154,259,760.19/192,706.94 - Step 6: Final answer
x = 99,395.80
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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.