Finding the Fourth Proportional to 178,680.68, 246,694.73 and 110,770.23
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Solution
The fourth proportional to 178,680.68, 246,694.73 and 110,770.23 is: 152,934.45
Step by Step Solution
- Step 1: Write the proportion equation
178,680.68 : 246,694.73 = 110,770.23 : x - Step 2: Convert to fraction form
178,680.68/246,694.73 = 110,770.23/x - Step 3: Cross multiply
178,680.68x = 246,694.73 × 110,770.23 - Step 4: Simplify right side
178,680.68x = 27,326,431,981.89 - Step 5: Solve for x
x = 27,326,431,981.89/178,680.68 - Step 6: Final answer
x = 152,934.45
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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.