Finding the Fourth Proportional to 193,851.94, 267,517.14 and 107,812.12
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Solution
The fourth proportional to 193,851.94, 267,517.14 and 107,812.12 is: 148,781.54
Step by Step Solution
- Step 1: Write the proportion equation
193,851.94 : 267,517.14 = 107,812.12 : x - Step 2: Convert to fraction form
193,851.94/267,517.14 = 107,812.12/x - Step 3: Cross multiply
193,851.94x = 267,517.14 × 107,812.12 - Step 4: Simplify right side
193,851.94x = 28,841,589,999.74 - Step 5: Solve for x
x = 28,841,589,999.74/193,851.94 - Step 6: Final answer
x = 148,781.54
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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.