Finding the Fourth Proportional to 288,665.57, 398,342.34 and 159,596.53
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Solution
The fourth proportional to 288,665.57, 398,342.34 and 159,596.53 is: 220,234.28
Step by Step Solution
- Step 1: Write the proportion equation
288,665.57 : 398,342.34 = 159,596.53 : x - Step 2: Convert to fraction form
288,665.57/398,342.34 = 159,596.53/x - Step 3: Cross multiply
288,665.57x = 398,342.34 × 159,596.53 - Step 4: Simplify right side
288,665.57x = 63,574,054,220.22 - Step 5: Solve for x
x = 63,574,054,220.22/288,665.57 - Step 6: Final answer
x = 220,234.28
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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.