Finding the Fourth Proportional to 354,924.36, 489,806.33 and 201,984.49
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Solution
The fourth proportional to 354,924.36, 489,806.33 and 201,984.49 is: 278,744.69
Step by Step Solution
- Step 1: Write the proportion equation
354,924.36 : 489,806.33 = 201,984.49 : x - Step 2: Convert to fraction form
354,924.36/489,806.33 = 201,984.49/x - Step 3: Cross multiply
354,924.36x = 489,806.33 × 201,984.49 - Step 4: Simplify right side
354,924.36x = 98,933,279,463.12 - Step 5: Solve for x
x = 98,933,279,463.12/354,924.36 - Step 6: Final answer
x = 278,744.69
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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.