Finding the Fourth Proportional to 209,340.44, 288,883.64 and 118,704.68
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Solution
The fourth proportional to 209,340.44, 288,883.64 and 118,704.68 is: 163,808.96
Step by Step Solution
- Step 1: Write the proportion equation
209,340.44 : 288,883.64 = 118,704.68 : x - Step 2: Convert to fraction form
209,340.44/288,883.64 = 118,704.68/x - Step 3: Cross multiply
209,340.44x = 288,883.64 × 118,704.68 - Step 4: Simplify right side
209,340.44x = 34,291,840,043.44 - Step 5: Solve for x
x = 34,291,840,043.44/209,340.44 - Step 6: Final answer
x = 163,808.96
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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.