Finding the Fourth Proportional to 268,212.26, 402,318.04 and 68,532.80
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Solution
The fourth proportional to 268,212.26, 402,318.04 and 68,532.80 is: 102,799.11
Step by Step Solution
- Step 1: Write the proportion equation
268,212.26 : 402,318.04 = 68,532.80 : x - Step 2: Convert to fraction form
268,212.26/402,318.04 = 68,532.80/x - Step 3: Cross multiply
268,212.26x = 402,318.04 × 68,532.80 - Step 4: Simplify right side
268,212.26x = 27,571,981,771.71 - Step 5: Solve for x
x = 27,571,981,771.71/268,212.26 - Step 6: Final answer
x = 102,799.11
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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.