Finding the Fourth Proportional to 325,290.26, 488,226.99 and 272,313.83
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Solution
The fourth proportional to 325,290.26, 488,226.99 and 272,313.83 is: 408,714.86
Step by Step Solution
- Step 1: Write the proportion equation
325,290.26 : 488,226.99 = 272,313.83 : x - Step 2: Convert to fraction form
325,290.26/488,226.99 = 272,313.83/x - Step 3: Cross multiply
325,290.26x = 488,226.99 × 272,313.83 - Step 4: Simplify right side
325,290.26x = 132,950,961,556.27 - Step 5: Solve for x
x = 132,950,961,556.27/325,290.26 - Step 6: Final answer
x = 408,714.86
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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.