Finding the Fourth Proportional to 208,846.07, 288,207.84 and 113,352.80
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Solution
The fourth proportional to 208,846.07, 288,207.84 and 113,352.80 is: 156,427.01
Step by Step Solution
- Step 1: Write the proportion equation
208,846.07 : 288,207.84 = 113,352.80 : x - Step 2: Convert to fraction form
208,846.07/288,207.84 = 113,352.80/x - Step 3: Cross multiply
208,846.07x = 288,207.84 × 113,352.80 - Step 4: Simplify right side
208,846.07x = 32,669,165,645.95 - Step 5: Solve for x
x = 32,669,165,645.95/208,846.07 - Step 6: Final answer
x = 156,427.01
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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.