Finding the Fourth Proportional to 192,638.25, 265,840.79 and 107,757.14
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Solution
The fourth proportional to 192,638.25, 265,840.79 and 107,757.14 is: 148,704.85
Step by Step Solution
- Step 1: Write the proportion equation
192,638.25 : 265,840.79 = 107,757.14 : x - Step 2: Convert to fraction form
192,638.25/265,840.79 = 107,757.14/x - Step 3: Cross multiply
192,638.25x = 265,840.79 × 107,757.14 - Step 4: Simplify right side
192,638.25x = 28,646,241,357.75 - Step 5: Solve for x
x = 28,646,241,357.75/192,638.25 - Step 6: Final answer
x = 148,704.85
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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.