Finding the Fourth Proportional to 726,617.99, 1,089,841.33 and 194,180.09
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Solution
The fourth proportional to 726,617.99, 1,089,841.33 and 194,180.09 is: 291,247.24
Step by Step Solution
- Step 1: Write the proportion equation
726,617.99 : 1,089,841.33 = 194,180.09 : x - Step 2: Convert to fraction form
726,617.99/1,089,841.33 = 194,180.09/x - Step 3: Cross multiply
726,617.99x = 1,089,841.33 × 194,180.09 - Step 4: Simplify right side
726,617.99x = 211,625,482,338.64 - Step 5: Solve for x
x = 211,625,482,338.64/726,617.99 - Step 6: Final answer
x = 291,247.24
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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.