Finding the Fourth Proportional to 173,976.62, 240,571.05 and 138,104.42
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Solution
The fourth proportional to 173,976.62, 240,571.05 and 138,104.42 is: 190,967.76
Step by Step Solution
- Step 1: Write the proportion equation
173,976.62 : 240,571.05 = 138,104.42 : x - Step 2: Convert to fraction form
173,976.62/240,571.05 = 138,104.42/x - Step 3: Cross multiply
173,976.62x = 240,571.05 × 138,104.42 - Step 4: Simplify right side
173,976.62x = 33,223,925,329.04 - Step 5: Solve for x
x = 33,223,925,329.04/173,976.62 - Step 6: Final answer
x = 190,967.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.