Finding the Fourth Proportional to 150,717.44, 207,992.70 and 82,740.80
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Solution
The fourth proportional to 150,717.44, 207,992.70 and 82,740.80 is: 114,183.75
Step by Step Solution
- Step 1: Write the proportion equation
150,717.44 : 207,992.70 = 82,740.80 : x - Step 2: Convert to fraction form
150,717.44/207,992.70 = 82,740.80/x - Step 3: Cross multiply
150,717.44x = 207,992.70 × 82,740.80 - Step 4: Simplify right side
150,717.44x = 17,209,482,392.16 - Step 5: Solve for x
x = 17,209,482,392.16/150,717.44 - Step 6: Final answer
x = 114,183.75
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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.