Finding the Fourth Proportional to 178,960.25, 246,958.85 and 98,387.19
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Solution
The fourth proportional to 178,960.25, 246,958.85 and 98,387.19 is: 135,770.86
Step by Step Solution
- Step 1: Write the proportion equation
178,960.25 : 246,958.85 = 98,387.19 : x - Step 2: Convert to fraction form
178,960.25/246,958.85 = 98,387.19/x - Step 3: Cross multiply
178,960.25x = 246,958.85 × 98,387.19 - Step 4: Simplify right side
178,960.25x = 24,297,587,297.13 - Step 5: Solve for x
x = 24,297,587,297.13/178,960.25 - Step 6: Final answer
x = 135,770.86
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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.