Finding the Fourth Proportional to 296,245.22, 408,817.80 and 160,278.75
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Solution
The fourth proportional to 296,245.22, 408,817.80 and 160,278.75 is: 221,184.35
Step by Step Solution
- Step 1: Write the proportion equation
296,245.22 : 408,817.80 = 160,278.75 : x - Step 2: Convert to fraction form
296,245.22/408,817.80 = 160,278.75/x - Step 3: Cross multiply
296,245.22x = 408,817.80 × 160,278.75 - Step 4: Simplify right side
296,245.22x = 65,524,805,961.75 - Step 5: Solve for x
x = 65,524,805,961.75/296,245.22 - Step 6: Final answer
x = 221,184.35
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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.