Finding the Fourth Proportional to 313,570.35, 432,906.63 and 206,451.75
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Solution
The fourth proportional to 313,570.35, 432,906.63 and 206,451.75 is: 285,021.63
Step by Step Solution
- Step 1: Write the proportion equation
313,570.35 : 432,906.63 = 206,451.75 : x - Step 2: Convert to fraction form
313,570.35/432,906.63 = 206,451.75/x - Step 3: Cross multiply
313,570.35x = 432,906.63 × 206,451.75 - Step 4: Simplify right side
313,570.35x = 89,374,331,350.10 - Step 5: Solve for x
x = 89,374,331,350.10/313,570.35 - Step 6: Final answer
x = 285,021.63
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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.