Finding the Fourth Proportional to 129,974.63, 194,961.94 and 46,868.63
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Solution
The fourth proportional to 129,974.63, 194,961.94 and 46,868.63 is: 70,302.94
Step by Step Solution
- Step 1: Write the proportion equation
129,974.63 : 194,961.94 = 46,868.63 : x - Step 2: Convert to fraction form
129,974.63/194,961.94 = 46,868.63/x - Step 3: Cross multiply
129,974.63x = 194,961.94 × 46,868.63 - Step 4: Simplify right side
129,974.63x = 9,137,597,937.96 - Step 5: Solve for x
x = 9,137,597,937.96/129,974.63 - Step 6: Final answer
x = 70,302.94
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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.