Finding the Fourth Proportional to 207,630.30, 311,238.09 and 102,524.70
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Solution
The fourth proportional to 207,630.30, 311,238.09 and 102,524.70 is: 153,684.66
Step by Step Solution
- Step 1: Write the proportion equation
207,630.30 : 311,238.09 = 102,524.70 : x - Step 2: Convert to fraction form
207,630.30/311,238.09 = 102,524.70/x - Step 3: Cross multiply
207,630.30x = 311,238.09 × 102,524.70 - Step 4: Simplify right side
207,630.30x = 31,909,591,805.82 - Step 5: Solve for x
x = 31,909,591,805.82/207,630.30 - Step 6: Final answer
x = 153,684.66
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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.