Finding the Fourth Proportional to 213,436.73, 294,542.79 and 117,943.43
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Solution
The fourth proportional to 213,436.73, 294,542.79 and 117,943.43 is: 162,761.99
Step by Step Solution
- Step 1: Write the proportion equation
213,436.73 : 294,542.79 = 117,943.43 : x - Step 2: Convert to fraction form
213,436.73/294,542.79 = 117,943.43/x - Step 3: Cross multiply
213,436.73x = 294,542.79 × 117,943.43 - Step 4: Simplify right side
213,436.73x = 34,739,385,461.66 - Step 5: Solve for x
x = 34,739,385,461.66/213,436.73 - Step 6: Final answer
x = 162,761.99
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1.5x scale
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.