Finding the Fourth Proportional to 217,277.20, 325,915.80 and 201,530.80
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Solution
The fourth proportional to 217,277.20, 325,915.80 and 201,530.80 is: 302,296.20
Step by Step Solution
- Step 1: Write the proportion equation
217,277.20 : 325,915.80 = 201,530.80 : x - Step 2: Convert to fraction form
217,277.20/325,915.80 = 201,530.80/x - Step 3: Cross multiply
217,277.20x = 325,915.80 × 201,530.80 - Step 4: Simplify right side
217,277.20x = 65,682,071,906.64 - Step 5: Solve for x
x = 65,682,071,906.64/217,277.20 - Step 6: Final answer
x = 302,296.20
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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.