Finding the Fourth Proportional to 281,664.84, 422,591.40 and 92,133.84
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Solution
The fourth proportional to 281,664.84, 422,591.40 and 92,133.84 is: 138,231.55
Step by Step Solution
- Step 1: Write the proportion equation
281,664.84 : 422,591.40 = 92,133.84 : x - Step 2: Convert to fraction form
281,664.84/422,591.40 = 92,133.84/x - Step 3: Cross multiply
281,664.84x = 422,591.40 × 92,133.84 - Step 4: Simplify right side
281,664.84x = 38,934,968,432.98 - Step 5: Solve for x
x = 38,934,968,432.98/281,664.84 - Step 6: Final answer
x = 138,231.55
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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.