Finding the Fourth Proportional to 201,136.70, 301,615.95 and 67,980.80
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Solution
The fourth proportional to 201,136.70, 301,615.95 and 67,980.80 is: 101,941.09
Step by Step Solution
- Step 1: Write the proportion equation
201,136.70 : 301,615.95 = 67,980.80 : x - Step 2: Convert to fraction form
201,136.70/301,615.95 = 67,980.80/x - Step 3: Cross multiply
201,136.70x = 301,615.95 × 67,980.80 - Step 4: Simplify right side
201,136.70x = 20,504,093,573.76 - Step 5: Solve for x
x = 20,504,093,573.76/201,136.70 - Step 6: Final answer
x = 101,941.09
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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.