Finding the Fourth Proportional to 304,163.40, 456,504.30 and 135,942.60
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Solution
The fourth proportional to 304,163.40, 456,504.30 and 135,942.60 is: 204,029.75
Step by Step Solution
- Step 1: Write the proportion equation
304,163.40 : 456,504.30 = 135,942.60 : x - Step 2: Convert to fraction form
304,163.40/456,504.30 = 135,942.60/x - Step 3: Cross multiply
304,163.40x = 456,504.30 × 135,942.60 - Step 4: Simplify right side
304,163.40x = 62,058,381,453.18 - Step 5: Solve for x
x = 62,058,381,453.18/304,163.40 - Step 6: Final answer
x = 204,029.75
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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.