Finding the Fourth Proportional to 192,587.69, 265,770.11 and 107,705.09
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Solution
The fourth proportional to 192,587.69, 265,770.11 and 107,705.09 is: 148,632.52
Step by Step Solution
- Step 1: Write the proportion equation
192,587.69 : 265,770.11 = 107,705.09 : x - Step 2: Convert to fraction form
192,587.69/265,770.11 = 107,705.09/x - Step 3: Cross multiply
192,587.69x = 265,770.11 × 107,705.09 - Step 4: Simplify right side
192,587.69x = 28,624,793,078.33 - Step 5: Solve for x
x = 28,624,793,078.33/192,587.69 - Step 6: Final answer
x = 148,632.52
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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.