Finding the Fourth Proportional to 209,277.93, 288,813.42 and 118,635.65
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Solution
The fourth proportional to 209,277.93, 288,813.42 and 118,635.65 is: 163,722.80
Step by Step Solution
- Step 1: Write the proportion equation
209,277.93 : 288,813.42 = 118,635.65 : x - Step 2: Convert to fraction form
209,277.93/288,813.42 = 118,635.65/x - Step 3: Cross multiply
209,277.93x = 288,813.42 × 118,635.65 - Step 4: Simplify right side
209,277.93x = 34,263,568,087.57 - Step 5: Solve for x
x = 34,263,568,087.57/209,277.93 - Step 6: Final answer
x = 163,722.80
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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.