Finding the Fourth Proportional to 656,849.64, 985,268.50 and 207,570.58
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Solution
The fourth proportional to 656,849.64, 985,268.50 and 207,570.58 is: 311,353.99
Step by Step Solution
- Step 1: Write the proportion equation
656,849.64 : 985,268.50 = 207,570.58 : x - Step 2: Convert to fraction form
656,849.64/985,268.50 = 207,570.58/x - Step 3: Cross multiply
656,849.64x = 985,268.50 × 207,570.58 - Step 4: Simplify right side
656,849.64x = 204,512,754,000.73 - Step 5: Solve for x
x = 204,512,754,000.73/656,849.64 - Step 6: Final answer
x = 311,353.99
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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.