Finding the Fourth Proportional to 218,449.70, 327,254.74 and 133,963.50
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Solution
The fourth proportional to 218,449.70, 327,254.74 and 133,963.50 is: 200,687.80
Step by Step Solution
- Step 1: Write the proportion equation
218,449.70 : 327,254.74 = 133,963.50 : x - Step 2: Convert to fraction form
218,449.70/327,254.74 = 133,963.50/x - Step 3: Cross multiply
218,449.70x = 327,254.74 × 133,963.50 - Step 4: Simplify right side
218,449.70x = 43,840,190,361.99 - Step 5: Solve for x
x = 43,840,190,361.99/218,449.70 - Step 6: Final answer
x = 200,687.80
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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.