Finding the Fourth Proportional to 207,923.14, 311,923.14 and 65,804.23
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Solution
The fourth proportional to 207,923.14, 311,923.14 and 65,804.23 is: 98,718.50
Step by Step Solution
- Step 1: Write the proportion equation
207,923.14 : 311,923.14 = 65,804.23 : x - Step 2: Convert to fraction form
207,923.14/311,923.14 = 65,804.23/x - Step 3: Cross multiply
207,923.14x = 311,923.14 × 65,804.23 - Step 4: Simplify right side
207,923.14x = 20,525,860,158.25 - Step 5: Solve for x
x = 20,525,860,158.25/207,923.14 - Step 6: Final answer
x = 98,718.50
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1.5x scale
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.