Finding the Fourth Proportional to 208,927.42, 288,311.97 and 113,432.08
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Solution
The fourth proportional to 208,927.42, 288,311.97 and 113,432.08 is: 156,532.00
Step by Step Solution
- Step 1: Write the proportion equation
208,927.42 : 288,311.97 = 113,432.08 : x - Step 2: Convert to fraction form
208,927.42/288,311.97 = 113,432.08/x - Step 3: Cross multiply
208,927.42x = 288,311.97 × 113,432.08 - Step 4: Simplify right side
208,927.42x = 32,703,826,446.00 - Step 5: Solve for x
x = 32,703,826,446.00/208,927.42 - Step 6: Final answer
x = 156,532.00
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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.