Finding the Fourth Proportional to 284,288.94, 391,851.53 and 201,531.13
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Solution
The fourth proportional to 284,288.94, 391,851.53 and 201,531.13 is: 277,781.76
Step by Step Solution
- Step 1: Write the proportion equation
284,288.94 : 391,851.53 = 201,531.13 : x - Step 2: Convert to fraction form
284,288.94/391,851.53 = 201,531.13/x - Step 3: Cross multiply
284,288.94x = 391,851.53 × 201,531.13 - Step 4: Simplify right side
284,288.94x = 78,970,281,633.13 - Step 5: Solve for x
x = 78,970,281,633.13/284,288.94 - Step 6: Final answer
x = 277,781.76
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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.