Finding the Fourth Proportional to 119,033.26, 178,425.30 and 40,120.21
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Solution
The fourth proportional to 119,033.26, 178,425.30 and 40,120.21 is: 60,138.32
Step by Step Solution
- Step 1: Write the proportion equation
119,033.26 : 178,425.30 = 40,120.21 : x - Step 2: Convert to fraction form
119,033.26/178,425.30 = 40,120.21/x - Step 3: Cross multiply
119,033.26x = 178,425.30 × 40,120.21 - Step 4: Simplify right side
119,033.26x = 7,158,460,505.31 - Step 5: Solve for x
x = 7,158,460,505.31/119,033.26 - Step 6: Final answer
x = 60,138.32
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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.