Finding the Fourth Proportional to 174,135.86, 261,302.22 and 74,286.62
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Solution
The fourth proportional to 174,135.86, 261,302.22 and 74,286.62 is: 111,471.92
Step by Step Solution
- Step 1: Write the proportion equation
174,135.86 : 261,302.22 = 74,286.62 : x - Step 2: Convert to fraction form
174,135.86/261,302.22 = 74,286.62/x - Step 3: Cross multiply
174,135.86x = 261,302.22 × 74,286.62 - Step 4: Simplify right side
174,135.86x = 19,411,258,722.30 - Step 5: Solve for x
x = 19,411,258,722.30/174,135.86 - Step 6: Final answer
x = 111,471.92
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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.