Finding the Fourth Proportional to 192,403.39, 265,344.78 and 120,790.09
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Solution
The fourth proportional to 192,403.39, 265,344.78 and 120,790.09 is: 166,582.41
Step by Step Solution
- Step 1: Write the proportion equation
192,403.39 : 265,344.78 = 120,790.09 : x - Step 2: Convert to fraction form
192,403.39/265,344.78 = 120,790.09/x - Step 3: Cross multiply
192,403.39x = 265,344.78 × 120,790.09 - Step 4: Simplify right side
192,403.39x = 32,051,019,857.23 - Step 5: Solve for x
x = 32,051,019,857.23/192,403.39 - Step 6: Final answer
x = 166,582.41
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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.