Finding the Fourth Proportional to 203,803.02, 305,258.49 and 144,458.70
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Solution
The fourth proportional to 203,803.02, 305,258.49 and 144,458.70 is: 216,371.89
Step by Step Solution
- Step 1: Write the proportion equation
203,803.02 : 305,258.49 = 144,458.70 : x - Step 2: Convert to fraction form
203,803.02/305,258.49 = 144,458.70/x - Step 3: Cross multiply
203,803.02x = 305,258.49 × 144,458.70 - Step 4: Simplify right side
203,803.02x = 44,097,244,629.36 - Step 5: Solve for x
x = 44,097,244,629.36/203,803.02 - Step 6: Final answer
x = 216,371.89
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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.