Finding the Fourth Proportional to 218,447.70, 327,251.75 and 133,961.50
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Solution
The fourth proportional to 218,447.70, 327,251.75 and 133,961.50 is: 200,684.80
Step by Step Solution
- Step 1: Write the proportion equation
218,447.70 : 327,251.75 = 133,961.50 : x - Step 2: Convert to fraction form
218,447.70/327,251.75 = 133,961.50/x - Step 3: Cross multiply
218,447.70x = 327,251.75 × 133,961.50 - Step 4: Simplify right side
218,447.70x = 43,839,133,206.09 - Step 5: Solve for x
x = 43,839,133,206.09/218,447.70 - Step 6: Final answer
x = 200,684.80
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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.