Finding the Fourth Proportional to 207,899.80, 311,318.34 and 114,302.68
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Solution
The fourth proportional to 207,899.80, 311,318.34 and 114,302.68 is: 171,161.88
Step by Step Solution
- Step 1: Write the proportion equation
207,899.80 : 311,318.34 = 114,302.68 : x - Step 2: Convert to fraction form
207,899.80/311,318.34 = 114,302.68/x - Step 3: Cross multiply
207,899.80x = 311,318.34 × 114,302.68 - Step 4: Simplify right side
207,899.80x = 35,584,520,595.15 - Step 5: Solve for x
x = 35,584,520,595.15/207,899.80 - Step 6: Final answer
x = 171,161.88
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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.