Finding the Fourth Proportional to 214,356.05, 321,600.99 and 129,060.41
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Solution
The fourth proportional to 214,356.05, 321,600.99 and 129,060.41 is: 193,630.90
Step by Step Solution
- Step 1: Write the proportion equation
214,356.05 : 321,600.99 = 129,060.41 : x - Step 2: Convert to fraction form
214,356.05/321,600.99 = 129,060.41/x - Step 3: Cross multiply
214,356.05x = 321,600.99 × 129,060.41 - Step 4: Simplify right side
214,356.05x = 41,505,954,017.80 - Step 5: Solve for x
x = 41,505,954,017.80/214,356.05 - Step 6: Final answer
x = 193,630.90
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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.