Finding the Fourth Proportional to 311,079.68, 466,693.68 and 100,717.68
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Solution
The fourth proportional to 311,079.68, 466,693.68 and 100,717.68 is: 151,100.53
Step by Step Solution
- Step 1: Write the proportion equation
311,079.68 : 466,693.68 = 100,717.68 : x - Step 2: Convert to fraction form
311,079.68/466,693.68 = 100,717.68/x - Step 3: Cross multiply
311,079.68x = 466,693.68 × 100,717.68 - Step 4: Simplify right side
311,079.68x = 47,004,304,720.26 - Step 5: Solve for x
x = 47,004,304,720.26/311,079.68 - Step 6: Final answer
x = 151,100.53
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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.