Finding the Fourth Proportional to 657,110.85, 985,787.96 and 207,944.79
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Solution
The fourth proportional to 657,110.85, 985,787.96 and 207,944.79 is: 311,955.69
Step by Step Solution
- Step 1: Write the proportion equation
657,110.85 : 985,787.96 = 207,944.79 : x - Step 2: Convert to fraction form
657,110.85/985,787.96 = 207,944.79/x - Step 3: Cross multiply
657,110.85x = 985,787.96 × 207,944.79 - Step 4: Simplify right side
657,110.85x = 204,989,469,287.00 - Step 5: Solve for x
x = 204,989,469,287.00/657,110.85 - Step 6: Final answer
x = 311,955.69
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1.5x scale
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.