Finding the Fourth Proportional to 417,680.85, 576,396.09 and 226,694.19
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Solution
The fourth proportional to 417,680.85, 576,396.09 and 226,694.19 is: 312,836.09
Step by Step Solution
- Step 1: Write the proportion equation
417,680.85 : 576,396.09 = 226,694.19 : x - Step 2: Convert to fraction form
417,680.85/576,396.09 = 226,694.19/x - Step 3: Cross multiply
417,680.85x = 576,396.09 × 226,694.19 - Step 4: Simplify right side
417,680.85x = 130,665,644,741.72 - Step 5: Solve for x
x = 130,665,644,741.72/417,680.85 - Step 6: Final answer
x = 312,836.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.