Finding the Fourth Proportional to 352,709.84, 486,743.09 and 191,568.03
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Solution
The fourth proportional to 352,709.84, 486,743.09 and 191,568.03 is: 264,365.79
Step by Step Solution
- Step 1: Write the proportion equation
352,709.84 : 486,743.09 = 191,568.03 : x - Step 2: Convert to fraction form
352,709.84/486,743.09 = 191,568.03/x - Step 3: Cross multiply
352,709.84x = 486,743.09 × 191,568.03 - Step 4: Simplify right side
352,709.84x = 93,244,413,909.57 - Step 5: Solve for x
x = 93,244,413,909.57/352,709.84 - Step 6: Final answer
x = 264,365.79
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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.