Finding the Fourth Proportional to 193,620.97, 267,193.58 and 107,580.74
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Solution
The fourth proportional to 193,620.97, 267,193.58 and 107,580.74 is: 148,459.56
Step by Step Solution
- Step 1: Write the proportion equation
193,620.97 : 267,193.58 = 107,580.74 : x - Step 2: Convert to fraction form
193,620.97/267,193.58 = 107,580.74/x - Step 3: Cross multiply
193,620.97x = 267,193.58 × 107,580.74 - Step 4: Simplify right side
193,620.97x = 28,744,883,189.73 - Step 5: Solve for x
x = 28,744,883,189.73/193,620.97 - Step 6: Final answer
x = 148,459.56
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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.