Finding the Fourth Proportional to 209,166.70, 288,639.00 and 118,523.75
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Solution
The fourth proportional to 209,166.70, 288,639.00 and 118,523.75 is: 163,556.51
Step by Step Solution
- Step 1: Write the proportion equation
209,166.70 : 288,639.00 = 118,523.75 : x - Step 2: Convert to fraction form
209,166.70/288,639.00 = 118,523.75/x - Step 3: Cross multiply
209,166.70x = 288,639.00 × 118,523.75 - Step 4: Simplify right side
209,166.70x = 34,210,576,083.63 - Step 5: Solve for x
x = 34,210,576,083.63/209,166.70 - Step 6: Final answer
x = 163,556.51
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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.