Finding the Fourth Proportional to 236,716.75, 326,678.84 and 136,114.75
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Solution
The fourth proportional to 236,716.75, 326,678.84 and 136,114.75 is: 187,843.95
Step by Step Solution
- Step 1: Write the proportion equation
236,716.75 : 326,678.84 = 136,114.75 : x - Step 2: Convert to fraction form
236,716.75/326,678.84 = 136,114.75/x - Step 3: Cross multiply
236,716.75x = 326,678.84 × 136,114.75 - Step 4: Simplify right side
236,716.75x = 44,465,808,636.89 - Step 5: Solve for x
x = 44,465,808,636.89/236,716.75 - Step 6: Final answer
x = 187,843.95
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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.