Finding the Fourth Proportional to 320,992.38, 481,568.67 and 96,356.97
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Solution
The fourth proportional to 320,992.38, 481,568.67 and 96,356.97 is: 144,559.50
Step by Step Solution
- Step 1: Write the proportion equation
320,992.38 : 481,568.67 = 96,356.97 : x - Step 2: Convert to fraction form
320,992.38/481,568.67 = 96,356.97/x - Step 3: Cross multiply
320,992.38x = 481,568.67 × 96,356.97 - Step 4: Simplify right side
320,992.38x = 46,402,497,888.13 - Step 5: Solve for x
x = 46,402,497,888.13/320,992.38 - Step 6: Final answer
x = 144,559.50
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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.