Finding the Fourth Proportional to 187,674.09, 280,804.86 and 131,623.62
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Solution
The fourth proportional to 187,674.09, 280,804.86 and 131,623.62 is: 196,940.09
Step by Step Solution
- Step 1: Write the proportion equation
187,674.09 : 280,804.86 = 131,623.62 : x - Step 2: Convert to fraction form
187,674.09/280,804.86 = 131,623.62/x - Step 3: Cross multiply
187,674.09x = 280,804.86 × 131,623.62 - Step 4: Simplify right side
187,674.09x = 36,960,552,186.79 - Step 5: Solve for x
x = 36,960,552,186.79/187,674.09 - Step 6: Final answer
x = 196,940.09
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1.5x scale
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.