Finding the Fourth Proportional to 151,405.20, 227,107.80 and 141,490.80
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Solution
The fourth proportional to 151,405.20, 227,107.80 and 141,490.80 is: 212,236.20
Step by Step Solution
- Step 1: Write the proportion equation
151,405.20 : 227,107.80 = 141,490.80 : x - Step 2: Convert to fraction form
151,405.20/227,107.80 = 141,490.80/x - Step 3: Cross multiply
151,405.20x = 227,107.80 × 141,490.80 - Step 4: Simplify right side
151,405.20x = 32,133,664,308.24 - Step 5: Solve for x
x = 32,133,664,308.24/151,405.20 - Step 6: Final answer
x = 212,236.20
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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.