Finding the Fourth Proportional to 284,337.18, 391,917.48 and 201,578.66
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Solution
The fourth proportional to 284,337.18, 391,917.48 and 201,578.66 is: 277,846.89
Step by Step Solution
- Step 1: Write the proportion equation
284,337.18 : 391,917.48 = 201,578.66 : x - Step 2: Convert to fraction form
284,337.18/391,917.48 = 201,578.66/x - Step 3: Cross multiply
284,337.18x = 391,917.48 × 201,578.66 - Step 4: Simplify right side
284,337.18x = 79,002,200,448.98 - Step 5: Solve for x
x = 79,002,200,448.98/284,337.18 - Step 6: Final answer
x = 277,846.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.