Finding the Fourth Proportional to 321,744.06, 444,018.66 and 194,395.05
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Solution
The fourth proportional to 321,744.06, 444,018.66 and 194,395.05 is: 268,272.33
Step by Step Solution
- Step 1: Write the proportion equation
321,744.06 : 444,018.66 = 194,395.05 : x - Step 2: Convert to fraction form
321,744.06/444,018.66 = 194,395.05/x - Step 3: Cross multiply
321,744.06x = 444,018.66 × 194,395.05 - Step 4: Simplify right side
321,744.06x = 86,315,029,611.63 - Step 5: Solve for x
x = 86,315,029,611.63/321,744.06 - Step 6: Final answer
x = 268,272.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.