Finding the Fourth Proportional to 259,186.97, 388,722.14 and 92,974.97
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Solution
The fourth proportional to 259,186.97, 388,722.14 and 92,974.97 is: 139,441.54
Step by Step Solution
- Step 1: Write the proportion equation
259,186.97 : 388,722.14 = 92,974.97 : x - Step 2: Convert to fraction form
259,186.97/388,722.14 = 92,974.97/x - Step 3: Cross multiply
259,186.97x = 388,722.14 × 92,974.97 - Step 4: Simplify right side
259,186.97x = 36,141,430,160.42 - Step 5: Solve for x
x = 36,141,430,160.42/259,186.97 - Step 6: Final answer
x = 139,441.54
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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.