Finding the Fourth Proportional to 136,541.87, 204,790.84 and 57,645.84
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Solution
The fourth proportional to 136,541.87, 204,790.84 and 57,645.84 is: 86,459.49
Step by Step Solution
- Step 1: Write the proportion equation
136,541.87 : 204,790.84 = 57,645.84 : x - Step 2: Convert to fraction form
136,541.87/204,790.84 = 57,645.84/x - Step 3: Cross multiply
136,541.87x = 204,790.84 × 57,645.84 - Step 4: Simplify right side
136,541.87x = 11,805,339,996.11 - Step 5: Solve for x
x = 11,805,339,996.11/136,541.87 - Step 6: Final answer
x = 86,459.49
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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.