Finding the Fourth Proportional to 288,540.68, 398,206.74 and 159,476.39
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Solution
The fourth proportional to 288,540.68, 398,206.74 and 159,476.39 is: 220,088.80
Step by Step Solution
- Step 1: Write the proportion equation
288,540.68 : 398,206.74 = 159,476.39 : x - Step 2: Convert to fraction form
288,540.68/398,206.74 = 159,476.39/x - Step 3: Cross multiply
288,540.68x = 398,206.74 × 159,476.39 - Step 4: Simplify right side
288,540.68x = 63,504,573,368.87 - Step 5: Solve for x
x = 63,504,573,368.87/288,540.68 - Step 6: Final answer
x = 220,088.80
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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.