Finding the Fourth Proportional to 281,827.36, 422,734.76 and 68,596.18
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Solution
The fourth proportional to 281,827.36, 422,734.76 and 68,596.18 is: 102,892.74
Step by Step Solution
- Step 1: Write the proportion equation
281,827.36 : 422,734.76 = 68,596.18 : x - Step 2: Convert to fraction form
281,827.36/422,734.76 = 68,596.18/x - Step 3: Cross multiply
281,827.36x = 422,734.76 × 68,596.18 - Step 4: Simplify right side
281,827.36x = 28,997,989,689.22 - Step 5: Solve for x
x = 28,997,989,689.22/281,827.36 - Step 6: Final answer
x = 102,892.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.