Finding the Fourth Proportional to 214,243.92, 321,387.18 and 79,344.09
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Solution
The fourth proportional to 214,243.92, 321,387.18 and 79,344.09 is: 119,024.02
Step by Step Solution
- Step 1: Write the proportion equation
214,243.92 : 321,387.18 = 79,344.09 : x - Step 2: Convert to fraction form
214,243.92/321,387.18 = 79,344.09/x - Step 3: Cross multiply
214,243.92x = 321,387.18 × 79,344.09 - Step 4: Simplify right side
214,243.92x = 25,500,173,334.77 - Step 5: Solve for x
x = 25,500,173,334.77/214,243.92 - Step 6: Final answer
x = 119,024.02
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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.