Finding the Fourth Proportional to 207,367.70, 311,051.55 and 203,911.70
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Solution
The fourth proportional to 207,367.70, 311,051.55 and 203,911.70 is: 305,867.55
Step by Step Solution
- Step 1: Write the proportion equation
207,367.70 : 311,051.55 = 203,911.70 : x - Step 2: Convert to fraction form
207,367.70/311,051.55 = 203,911.70/x - Step 3: Cross multiply
207,367.70x = 311,051.55 × 203,911.70 - Step 4: Simplify right side
207,367.70x = 63,427,050,348.14 - Step 5: Solve for x
x = 63,427,050,348.14/207,367.70 - Step 6: Final answer
x = 305,867.55
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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.