Finding the Fourth Proportional to 214,329.13, 321,470.92 and 87,982.63
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Solution
The fourth proportional to 214,329.13, 321,470.92 and 87,982.63 is: 131,964.60
Step by Step Solution
- Step 1: Write the proportion equation
214,329.13 : 321,470.92 = 87,982.63 : x - Step 2: Convert to fraction form
214,329.13/321,470.92 = 87,982.63/x - Step 3: Cross multiply
214,329.13x = 321,470.92 × 87,982.63 - Step 4: Simplify right side
214,329.13x = 28,283,857,010.12 - Step 5: Solve for x
x = 28,283,857,010.12/214,329.13 - Step 6: Final answer
x = 131,964.60
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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.