Finding the Fourth Proportional to 218,805.98, 328,208.97 and 69,057.92
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Solution
The fourth proportional to 218,805.98, 328,208.97 and 69,057.92 is: 103,586.88
Step by Step Solution
- Step 1: Write the proportion equation
218,805.98 : 328,208.97 = 69,057.92 : x - Step 2: Convert to fraction form
218,805.98/328,208.97 = 69,057.92/x - Step 3: Cross multiply
218,805.98x = 328,208.97 × 69,057.92 - Step 4: Simplify right side
218,805.98x = 22,665,428,793.54 - Step 5: Solve for x
x = 22,665,428,793.54/218,805.98 - Step 6: Final answer
x = 103,586.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.