Finding the Fourth Proportional to 209,347.24, 288,896.40 and 113,851.88
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Solution
The fourth proportional to 209,347.24, 288,896.40 and 113,851.88 is: 157,114.08
Step by Step Solution
- Step 1: Write the proportion equation
209,347.24 : 288,896.40 = 113,851.88 : x - Step 2: Convert to fraction form
209,347.24/288,896.40 = 113,851.88/x - Step 3: Cross multiply
209,347.24x = 288,896.40 × 113,851.88 - Step 4: Simplify right side
209,347.24x = 32,891,398,265.23 - Step 5: Solve for x
x = 32,891,398,265.23/209,347.24 - Step 6: Final answer
x = 157,114.08
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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.