Finding the Fourth Proportional to 657,105.09, 985,754.24 and 207,723.98
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Solution
The fourth proportional to 657,105.09, 985,754.24 and 207,723.98 is: 311,616.50
Step by Step Solution
- Step 1: Write the proportion equation
657,105.09 : 985,754.24 = 207,723.98 : x - Step 2: Convert to fraction form
657,105.09/985,754.24 = 207,723.98/x - Step 3: Cross multiply
657,105.09x = 985,754.24 × 207,723.98 - Step 4: Simplify right side
657,105.09x = 204,764,788,067.28 - Step 5: Solve for x
x = 204,764,788,067.28/657,105.09 - Step 6: Final answer
x = 311,616.50
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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.