Finding the Fourth Proportional to 819,160.09, 1,228,739.07 and 220,121.25
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Solution
The fourth proportional to 819,160.09, 1,228,739.07 and 220,121.25 is: 330,181.59
Step by Step Solution
- Step 1: Write the proportion equation
819,160.09 : 1,228,739.07 = 220,121.25 : x - Step 2: Convert to fraction form
819,160.09/1,228,739.07 = 220,121.25/x - Step 3: Cross multiply
819,160.09x = 1,228,739.07 × 220,121.25 - Step 4: Simplify right side
819,160.09x = 270,471,580,012.24 - Step 5: Solve for x
x = 270,471,580,012.24/819,160.09 - Step 6: Final answer
x = 330,181.59
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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.