Finding the Fourth Proportional to 132,915.81, 199,373.26 and 33,075.99
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Solution
The fourth proportional to 132,915.81, 199,373.26 and 33,075.99 is: 49,613.87
Step by Step Solution
- Step 1: Write the proportion equation
132,915.81 : 199,373.26 = 33,075.99 : x - Step 2: Convert to fraction form
132,915.81/199,373.26 = 33,075.99/x - Step 3: Cross multiply
132,915.81x = 199,373.26 × 33,075.99 - Step 4: Simplify right side
132,915.81x = 6,594,467,954.03 - Step 5: Solve for x
x = 6,594,467,954.03/132,915.81 - Step 6: Final answer
x = 49,613.87
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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.