Finding the Fourth Proportional to 284,081.43, 391,714.49 and 232,236.71
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Solution
The fourth proportional to 284,081.43, 391,714.49 and 232,236.71 is: 320,226.79
Step by Step Solution
- Step 1: Write the proportion equation
284,081.43 : 391,714.49 = 232,236.71 : x - Step 2: Convert to fraction form
284,081.43/391,714.49 = 232,236.71/x - Step 3: Cross multiply
284,081.43x = 391,714.49 × 232,236.71 - Step 4: Simplify right side
284,081.43x = 90,970,484,416.93 - Step 5: Solve for x
x = 90,970,484,416.93/284,081.43 - Step 6: Final answer
x = 320,226.79
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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.