Finding the Fourth Proportional to 338,968.06, 467,755.76 and 193,789.53
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Solution
The fourth proportional to 338,968.06, 467,755.76 and 193,789.53 is: 267,418.03
Step by Step Solution
- Step 1: Write the proportion equation
338,968.06 : 467,755.76 = 193,789.53 : x - Step 2: Convert to fraction form
338,968.06/467,755.76 = 193,789.53/x - Step 3: Cross multiply
338,968.06x = 467,755.76 × 193,789.53 - Step 4: Simplify right side
338,968.06x = 90,646,169,369.67 - Step 5: Solve for x
x = 90,646,169,369.67/338,968.06 - Step 6: Final answer
x = 267,418.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.