Finding the Fourth Proportional to 207,751.97, 311,572.52 and 57,965.94
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Solution
The fourth proportional to 207,751.97, 311,572.52 and 57,965.94 is: 86,933.44
Step by Step Solution
- Step 1: Write the proportion equation
207,751.97 : 311,572.52 = 57,965.94 : x - Step 2: Convert to fraction form
207,751.97/311,572.52 = 57,965.94/x - Step 3: Cross multiply
207,751.97x = 311,572.52 × 57,965.94 - Step 4: Simplify right side
207,751.97x = 18,060,593,999.97 - Step 5: Solve for x
x = 18,060,593,999.97/207,751.97 - Step 6: Final answer
x = 86,933.44
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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.