Finding the Fourth Proportional to 201,685.80, 302,528.70 and 135,330.60
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Solution
The fourth proportional to 201,685.80, 302,528.70 and 135,330.60 is: 202,995.90
Step by Step Solution
- Step 1: Write the proportion equation
201,685.80 : 302,528.70 = 135,330.60 : x - Step 2: Convert to fraction form
201,685.80/302,528.70 = 135,330.60/x - Step 3: Cross multiply
201,685.80x = 302,528.70 × 135,330.60 - Step 4: Simplify right side
201,685.80x = 40,941,390,488.22 - Step 5: Solve for x
x = 40,941,390,488.22/201,685.80 - Step 6: Final answer
x = 202,995.90
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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.