Finding the Fourth Proportional to 274,718.75, 411,543.52 and 202,540.19
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Solution
The fourth proportional to 274,718.75, 411,543.52 and 202,540.19 is: 303,416.14
Step by Step Solution
- Step 1: Write the proportion equation
274,718.75 : 411,543.52 = 202,540.19 : x - Step 2: Convert to fraction form
274,718.75/411,543.52 = 202,540.19/x - Step 3: Cross multiply
274,718.75x = 411,543.52 × 202,540.19 - Step 4: Simplify right side
274,718.75x = 83,354,100,170.00 - Step 5: Solve for x
x = 83,354,100,170.00/274,718.75 - Step 6: Final answer
x = 303,416.14
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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.