Finding the Fourth Proportional to 288,234.99, 397,734.09 and 167,352.67
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Solution
The fourth proportional to 288,234.99, 397,734.09 and 167,352.67 is: 230,929.15
Step by Step Solution
- Step 1: Write the proportion equation
288,234.99 : 397,734.09 = 167,352.67 : x - Step 2: Convert to fraction form
288,234.99/397,734.09 = 167,352.67/x - Step 3: Cross multiply
288,234.99x = 397,734.09 × 167,352.67 - Step 4: Simplify right side
288,234.99x = 66,561,861,911.52 - Step 5: Solve for x
x = 66,561,861,911.52/288,234.99 - Step 6: Final answer
x = 230,929.15
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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.