Finding the Fourth Proportional to 252,232.76, 378,235.28 and 72,277.02
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Solution
The fourth proportional to 252,232.76, 378,235.28 and 72,277.02 is: 108,382.90
Step by Step Solution
- Step 1: Write the proportion equation
252,232.76 : 378,235.28 = 72,277.02 : x - Step 2: Convert to fraction form
252,232.76/378,235.28 = 72,277.02/x - Step 3: Cross multiply
252,232.76x = 378,235.28 × 72,277.02 - Step 4: Simplify right side
252,232.76x = 27,337,718,535.88 - Step 5: Solve for x
x = 27,337,718,535.88/252,232.76 - Step 6: Final answer
x = 108,382.90
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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.