Finding the Fourth Proportional to 218,128.75, 327,200.40 and 60,343.99
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Solution
The fourth proportional to 218,128.75, 327,200.40 and 60,343.99 is: 90,517.99
Step by Step Solution
- Step 1: Write the proportion equation
218,128.75 : 327,200.40 = 60,343.99 : x - Step 2: Convert to fraction form
218,128.75/327,200.40 = 60,343.99/x - Step 3: Cross multiply
218,128.75x = 327,200.40 × 60,343.99 - Step 4: Simplify right side
218,128.75x = 19,744,576,029.59 - Step 5: Solve for x
x = 19,744,576,029.59/218,128.75 - Step 6: Final answer
x = 90,517.99
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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.