Finding the Fourth Proportional to 209,043.06, 288,479.97 and 113,548.98
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Solution
The fourth proportional to 209,043.06, 288,479.97 and 113,548.98 is: 156,697.89
Step by Step Solution
- Step 1: Write the proportion equation
209,043.06 : 288,479.97 = 113,548.98 : x - Step 2: Convert to fraction form
209,043.06/288,479.97 = 113,548.98/x - Step 3: Cross multiply
209,043.06x = 288,479.97 × 113,548.98 - Step 4: Simplify right side
209,043.06x = 32,756,606,343.93 - Step 5: Solve for x
x = 32,756,606,343.93/209,043.06 - Step 6: Final answer
x = 156,697.89
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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.