Finding the Fourth Proportional to 311,739.17, 466,764.12 and 161,664.75
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Solution
The fourth proportional to 311,739.17, 466,764.12 and 161,664.75 is: 242,059.11
Step by Step Solution
- Step 1: Write the proportion equation
311,739.17 : 466,764.12 = 161,664.75 : x - Step 2: Convert to fraction form
311,739.17/466,764.12 = 161,664.75/x - Step 3: Cross multiply
311,739.17x = 466,764.12 × 161,664.75 - Step 4: Simplify right side
311,739.17x = 75,459,304,768.77 - Step 5: Solve for x
x = 75,459,304,768.77/311,739.17 - Step 6: Final answer
x = 242,059.11
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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.