Finding the Fourth Proportional to 134,894.20, 202,463.70 and 68,380.60
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Solution
The fourth proportional to 134,894.20, 202,463.70 and 68,380.60 is: 102,632.95
Step by Step Solution
- Step 1: Write the proportion equation
134,894.20 : 202,463.70 = 68,380.60 : x - Step 2: Convert to fraction form
134,894.20/202,463.70 = 68,380.60/x - Step 3: Cross multiply
134,894.20x = 202,463.70 × 68,380.60 - Step 4: Simplify right side
134,894.20x = 13,844,589,284.22 - Step 5: Solve for x
x = 13,844,589,284.22/134,894.20 - Step 6: Final answer
x = 102,632.95
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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.