Finding the Fourth Proportional to 281,343.48, 422,028.18 and 156,590.52
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Solution
The fourth proportional to 281,343.48, 422,028.18 and 156,590.52 is: 234,892.99
Step by Step Solution
- Step 1: Write the proportion equation
281,343.48 : 422,028.18 = 156,590.52 : x - Step 2: Convert to fraction form
281,343.48/422,028.18 = 156,590.52/x - Step 3: Cross multiply
281,343.48x = 422,028.18 × 156,590.52 - Step 4: Simplify right side
281,343.48x = 66,085,612,160.85 - Step 5: Solve for x
x = 66,085,612,160.85/281,343.48 - Step 6: Final answer
x = 234,892.99
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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.