Finding the Fourth Proportional to 138,709.06, 208,063.62 and 33,528.02
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Solution
The fourth proportional to 138,709.06, 208,063.62 and 33,528.02 is: 50,292.03
Step by Step Solution
- Step 1: Write the proportion equation
138,709.06 : 208,063.62 = 33,528.02 : x - Step 2: Convert to fraction form
138,709.06/208,063.62 = 33,528.02/x - Step 3: Cross multiply
138,709.06x = 208,063.62 × 33,528.02 - Step 4: Simplify right side
138,709.06x = 6,975,960,172.31 - Step 5: Solve for x
x = 6,975,960,172.31/138,709.06 - Step 6: Final answer
x = 50,292.03
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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.