Finding the Fourth Proportional to 252,804.88, 379,208.74 and 84,324.75
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Solution
The fourth proportional to 252,804.88, 379,208.74 and 84,324.75 is: 126,487.59
Step by Step Solution
- Step 1: Write the proportion equation
252,804.88 : 379,208.74 = 84,324.75 : x - Step 2: Convert to fraction form
252,804.88/379,208.74 = 84,324.75/x - Step 3: Cross multiply
252,804.88x = 379,208.74 × 84,324.75 - Step 4: Simplify right side
252,804.88x = 31,976,680,565.47 - Step 5: Solve for x
x = 31,976,680,565.47/252,804.88 - Step 6: Final answer
x = 126,487.59
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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.