Finding the Fourth Proportional to 332,324.10, 498,486.15 and 172,891.80
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Solution
The fourth proportional to 332,324.10, 498,486.15 and 172,891.80 is: 259,337.70
Step by Step Solution
- Step 1: Write the proportion equation
332,324.10 : 498,486.15 = 172,891.80 : x - Step 2: Convert to fraction form
332,324.10/498,486.15 = 172,891.80/x - Step 3: Cross multiply
332,324.10x = 498,486.15 × 172,891.80 - Step 4: Simplify right side
332,324.10x = 86,184,167,748.57 - Step 5: Solve for x
x = 86,184,167,748.57/332,324.10 - Step 6: Final answer
x = 259,337.70
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1.5x scale
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.