Finding the Fourth Proportional to 207,769.93, 311,687.70 and 67,495.75
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Solution
The fourth proportional to 207,769.93, 311,687.70 and 67,495.75 is: 101,254.28
Step by Step Solution
- Step 1: Write the proportion equation
207,769.93 : 311,687.70 = 67,495.75 : x - Step 2: Convert to fraction form
207,769.93/311,687.70 = 67,495.75/x - Step 3: Cross multiply
207,769.93x = 311,687.70 × 67,495.75 - Step 4: Simplify right side
207,769.93x = 21,037,595,077.28 - Step 5: Solve for x
x = 21,037,595,077.28/207,769.93 - Step 6: Final answer
x = 101,254.28
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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.