Finding the Fourth Proportional to 174,539.05, 261,771.83 and 79,742.32
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Solution
The fourth proportional to 174,539.05, 261,771.83 and 79,742.32 is: 119,596.69
Step by Step Solution
- Step 1: Write the proportion equation
174,539.05 : 261,771.83 = 79,742.32 : x - Step 2: Convert to fraction form
174,539.05/261,771.83 = 79,742.32/x - Step 3: Cross multiply
174,539.05x = 261,771.83 × 79,742.32 - Step 4: Simplify right side
174,539.05x = 20,874,293,528.93 - Step 5: Solve for x
x = 20,874,293,528.93/174,539.05 - Step 6: Final answer
x = 119,596.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.