Finding the Fourth Proportional to 281,644.20, 422,422.16 and 92,102.99
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Solution
The fourth proportional to 281,644.20, 422,422.16 and 92,102.99 is: 138,140.04
Step by Step Solution
- Step 1: Write the proportion equation
281,644.20 : 422,422.16 = 92,102.99 : x - Step 2: Convert to fraction form
281,644.20/422,422.16 = 92,102.99/x - Step 3: Cross multiply
281,644.20x = 422,422.16 × 92,102.99 - Step 4: Simplify right side
281,644.20x = 38,906,341,405.63 - Step 5: Solve for x
x = 38,906,341,405.63/281,644.20 - Step 6: Final answer
x = 138,140.04
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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.