Finding the Fourth Proportional to 281,557.62, 422,332.91 and 68,327.30
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Solution
The fourth proportional to 281,557.62, 422,332.91 and 68,327.30 is: 102,490.09
Step by Step Solution
- Step 1: Write the proportion equation
281,557.62 : 422,332.91 = 68,327.30 : x - Step 2: Convert to fraction form
281,557.62/422,332.91 = 68,327.30/x - Step 3: Cross multiply
281,557.62x = 422,332.91 × 68,327.30 - Step 4: Simplify right side
281,557.62x = 28,856,865,796.03 - Step 5: Solve for x
x = 28,856,865,796.03/281,557.62 - Step 6: Final answer
x = 102,490.09
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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.