Finding the Fourth Proportional to 192,419.40, 265,366.82 and 120,806.12
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Solution
The fourth proportional to 192,419.40, 265,366.82 and 120,806.12 is: 166,604.49
Step by Step Solution
- Step 1: Write the proportion equation
192,419.40 : 265,366.82 = 120,806.12 : x - Step 2: Convert to fraction form
192,419.40/265,366.82 = 120,806.12/x - Step 3: Cross multiply
192,419.40x = 265,366.82 × 120,806.12 - Step 4: Simplify right side
192,419.40x = 32,057,935,900.94 - Step 5: Solve for x
x = 32,057,935,900.94/192,419.40 - Step 6: Final answer
x = 166,604.49
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1.5x scale
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.