Finding the Fourth Proportional to 151,328.39, 226,991.97 and 46,147.05
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Solution
The fourth proportional to 151,328.39, 226,991.97 and 46,147.05 is: 69,220.39
Step by Step Solution
- Step 1: Write the proportion equation
151,328.39 : 226,991.97 = 46,147.05 : x - Step 2: Convert to fraction form
151,328.39/226,991.97 = 46,147.05/x - Step 3: Cross multiply
151,328.39x = 226,991.97 × 46,147.05 - Step 4: Simplify right side
151,328.39x = 10,475,010,472.04 - Step 5: Solve for x
x = 10,475,010,472.04/151,328.39 - Step 6: Final answer
x = 69,220.39
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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.