Finding the Fourth Proportional to 127,942.40, 191,907.52 and 44,830.08
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Solution
The fourth proportional to 127,942.40, 191,907.52 and 44,830.08 is: 67,242.99
Step by Step Solution
- Step 1: Write the proportion equation
127,942.40 : 191,907.52 = 44,830.08 : x - Step 2: Convert to fraction form
127,942.40/191,907.52 = 44,830.08/x - Step 3: Cross multiply
127,942.40x = 191,907.52 × 44,830.08 - Step 4: Simplify right side
127,942.40x = 8,603,229,474.20 - Step 5: Solve for x
x = 8,603,229,474.20/127,942.40 - Step 6: Final answer
x = 67,242.99
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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.