Finding the Fourth Proportional to 204,219.05, 281,805.95 and 113,575.19
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Solution
The fourth proportional to 204,219.05, 281,805.95 and 113,575.19 is: 156,724.67
Step by Step Solution
- Step 1: Write the proportion equation
204,219.05 : 281,805.95 = 113,575.19 : x - Step 2: Convert to fraction form
204,219.05/281,805.95 = 113,575.19/x - Step 3: Cross multiply
204,219.05x = 281,805.95 × 113,575.19 - Step 4: Simplify right side
204,219.05x = 32,006,163,189.29 - Step 5: Solve for x
x = 32,006,163,189.29/204,219.05 - Step 6: Final answer
x = 156,724.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.