Finding the Fourth Proportional to 208,793.01, 288,135.11 and 113,299.70
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Solution
The fourth proportional to 208,793.01, 288,135.11 and 113,299.70 is: 156,354.00
Step by Step Solution
- Step 1: Write the proportion equation
208,793.01 : 288,135.11 = 113,299.70 : x - Step 2: Convert to fraction form
208,793.01/288,135.11 = 113,299.70/x - Step 3: Cross multiply
208,793.01x = 288,135.11 × 113,299.70 - Step 4: Simplify right side
208,793.01x = 32,645,621,522.47 - Step 5: Solve for x
x = 32,645,621,522.47/208,793.01 - Step 6: Final answer
x = 156,354.00
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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.