Finding the Fourth Proportional to 134,576.43, 201,804.66 and 71,382.18
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Solution
The fourth proportional to 134,576.43, 201,804.66 and 71,382.18 is: 107,041.45
Step by Step Solution
- Step 1: Write the proportion equation
134,576.43 : 201,804.66 = 71,382.18 : x - Step 2: Convert to fraction form
134,576.43/201,804.66 = 71,382.18/x - Step 3: Cross multiply
134,576.43x = 201,804.66 × 71,382.18 - Step 4: Simplify right side
134,576.43x = 14,405,256,564.96 - Step 5: Solve for x
x = 14,405,256,564.96/134,576.43 - Step 6: Final answer
x = 107,041.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.