Finding the Fourth Proportional to 424,446.48, 585,819.36 and 243,279.84
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Solution
The fourth proportional to 424,446.48, 585,819.36 and 243,279.84 is: 335,773.88
Step by Step Solution
- Step 1: Write the proportion equation
424,446.48 : 585,819.36 = 243,279.84 : x - Step 2: Convert to fraction form
424,446.48/585,819.36 = 243,279.84/x - Step 3: Cross multiply
424,446.48x = 585,819.36 × 243,279.84 - Step 4: Simplify right side
424,446.48x = 142,518,040,169.70 - Step 5: Solve for x
x = 142,518,040,169.70/424,446.48 - Step 6: Final answer
x = 335,773.88
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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.