Finding the Fourth Proportional to 288,035.26, 397,487.46 and 160,711.09
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Solution
The fourth proportional to 288,035.26, 397,487.46 and 160,711.09 is: 221,780.64
Step by Step Solution
- Step 1: Write the proportion equation
288,035.26 : 397,487.46 = 160,711.09 : x - Step 2: Convert to fraction form
288,035.26/397,487.46 = 160,711.09/x - Step 3: Cross multiply
288,035.26x = 397,487.46 × 160,711.09 - Step 4: Simplify right side
288,035.26x = 63,880,642,957.93 - Step 5: Solve for x
x = 63,880,642,957.93/288,035.26 - Step 6: Final answer
x = 221,780.64
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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.