Finding the Fourth Proportional to 134,576.94, 201,805.41 and 71,382.68
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Solution
The fourth proportional to 134,576.94, 201,805.41 and 71,382.68 is: 107,042.19
Step by Step Solution
- Step 1: Write the proportion equation
134,576.94 : 201,805.41 = 71,382.68 : x - Step 2: Convert to fraction form
134,576.94/201,805.41 = 71,382.68/x - Step 3: Cross multiply
134,576.94x = 201,805.41 × 71,382.68 - Step 4: Simplify right side
134,576.94x = 14,405,411,004.30 - Step 5: Solve for x
x = 14,405,411,004.30/134,576.94 - Step 6: Final answer
x = 107,042.19
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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.