Finding the Fourth Proportional to 656,477.42, 984,716.16 and 207,513.68
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Solution
The fourth proportional to 656,477.42, 984,716.16 and 207,513.68 is: 311,270.53
Step by Step Solution
- Step 1: Write the proportion equation
656,477.42 : 984,716.16 = 207,513.68 : x - Step 2: Convert to fraction form
656,477.42/984,716.16 = 207,513.68/x - Step 3: Cross multiply
656,477.42x = 984,716.16 × 207,513.68 - Step 4: Simplify right side
656,477.42x = 204,342,074,117.07 - Step 5: Solve for x
x = 204,342,074,117.07/656,477.42 - Step 6: Final answer
x = 311,270.53
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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.