Finding the Fourth Proportional to 274,718.62, 411,543.33 and 202,540.06
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Solution
The fourth proportional to 274,718.62, 411,543.33 and 202,540.06 is: 303,415.95
Step by Step Solution
- Step 1: Write the proportion equation
274,718.62 : 411,543.33 = 202,540.06 : x - Step 2: Convert to fraction form
274,718.62/411,543.33 = 202,540.06/x - Step 3: Cross multiply
274,718.62x = 411,543.33 × 202,540.06 - Step 4: Simplify right side
274,718.62x = 83,354,010,750.80 - Step 5: Solve for x
x = 83,354,010,750.80/274,718.62 - Step 6: Final answer
x = 303,415.95
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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.