Finding the Fourth Proportional to 891,091.80, 1,336,637.70 and 226,243.80
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Solution
The fourth proportional to 891,091.80, 1,336,637.70 and 226,243.80 is: 339,365.70
Step by Step Solution
- Step 1: Write the proportion equation
891,091.80 : 1,336,637.70 = 226,243.80 : x - Step 2: Convert to fraction form
891,091.80/1,336,637.70 = 226,243.80/x - Step 3: Cross multiply
891,091.80x = 1,336,637.70 × 226,243.80 - Step 4: Simplify right side
891,091.80x = 302,405,992,471.26 - Step 5: Solve for x
x = 302,405,992,471.26/891,091.80 - Step 6: Final answer
x = 339,365.70
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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.