Finding the Fourth Proportional to 656,837.31, 985,250.08 and 207,558.26
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Solution
The fourth proportional to 656,837.31, 985,250.08 and 207,558.26 is: 311,335.53
Step by Step Solution
- Step 1: Write the proportion equation
656,837.31 : 985,250.08 = 207,558.26 : x - Step 2: Convert to fraction form
656,837.31/985,250.08 = 207,558.26/x - Step 3: Cross multiply
656,837.31x = 985,250.08 × 207,558.26 - Step 4: Simplify right side
656,837.31x = 204,496,792,269.66 - Step 5: Solve for x
x = 204,496,792,269.66/656,837.31 - Step 6: Final answer
x = 311,335.53
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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.