Finding the Fourth Proportional to 204,474.60, 306,711.90 and 115,901.10
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Solution
The fourth proportional to 204,474.60, 306,711.90 and 115,901.10 is: 173,851.65
Step by Step Solution
- Step 1: Write the proportion equation
204,474.60 : 306,711.90 = 115,901.10 : x - Step 2: Convert to fraction form
204,474.60/306,711.90 = 115,901.10/x - Step 3: Cross multiply
204,474.60x = 306,711.90 × 115,901.10 - Step 4: Simplify right side
204,474.60x = 35,548,246,593.09 - Step 5: Solve for x
x = 35,548,246,593.09/204,474.60 - Step 6: Final answer
x = 173,851.65
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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.