Finding the Fourth Proportional to 204,816.75, 307,276.97 and 57,072.75
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Solution
The fourth proportional to 204,816.75, 307,276.97 and 57,072.75 is: 85,623.57
Step by Step Solution
- Step 1: Write the proportion equation
204,816.75 : 307,276.97 = 57,072.75 : x - Step 2: Convert to fraction form
204,816.75/307,276.97 = 57,072.75/x - Step 3: Cross multiply
204,816.75x = 307,276.97 × 57,072.75 - Step 4: Simplify right side
204,816.75x = 17,537,141,689.57 - Step 5: Solve for x
x = 17,537,141,689.57/204,816.75 - Step 6: Final answer
x = 85,623.57
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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.