Finding the Fourth Proportional to 192,516.13, 265,565.63 and 111,934.75
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Solution
The fourth proportional to 192,516.13, 265,565.63 and 111,934.75 is: 154,407.95
Step by Step Solution
- Step 1: Write the proportion equation
192,516.13 : 265,565.63 = 111,934.75 : x - Step 2: Convert to fraction form
192,516.13/265,565.63 = 111,934.75/x - Step 3: Cross multiply
192,516.13x = 265,565.63 × 111,934.75 - Step 4: Simplify right side
192,516.13x = 29,726,021,842.97 - Step 5: Solve for x
x = 29,726,021,842.97/192,516.13 - Step 6: Final answer
x = 154,407.95
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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.