Finding the Fourth Proportional to 330,534.75, 456,137.96 and 179,631.75
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Solution
The fourth proportional to 330,534.75, 456,137.96 and 179,631.75 is: 247,891.82
Step by Step Solution
- Step 1: Write the proportion equation
330,534.75 : 456,137.96 = 179,631.75 : x - Step 2: Convert to fraction form
330,534.75/456,137.96 = 179,631.75/x - Step 3: Cross multiply
330,534.75x = 456,137.96 × 179,631.75 - Step 4: Simplify right side
330,534.75x = 81,936,859,996.23 - Step 5: Solve for x
x = 81,936,859,996.23/330,534.75 - Step 6: Final answer
x = 247,891.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.