Finding the Fourth Proportional to 417,717.22, 576,450.36 and 226,730.65
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Solution
The fourth proportional to 417,717.22, 576,450.36 and 226,730.65 is: 312,888.62
Step by Step Solution
- Step 1: Write the proportion equation
417,717.22 : 576,450.36 = 226,730.65 : x - Step 2: Convert to fraction form
417,717.22/576,450.36 = 226,730.65/x - Step 3: Cross multiply
417,717.22x = 576,450.36 × 226,730.65 - Step 4: Simplify right side
417,717.22x = 130,698,964,815.53 - Step 5: Solve for x
x = 130,698,964,815.53/417,717.22 - Step 6: Final answer
x = 312,888.62
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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.