Finding the Fourth Proportional to 352,512.87, 486,468.36 and 201,609.87
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Solution
The fourth proportional to 352,512.87, 486,468.36 and 201,609.87 is: 278,221.96
Step by Step Solution
- Step 1: Write the proportion equation
352,512.87 : 486,468.36 = 201,609.87 : x - Step 2: Convert to fraction form
352,512.87/486,468.36 = 201,609.87/x - Step 3: Cross multiply
352,512.87x = 486,468.36 × 201,609.87 - Step 4: Simplify right side
352,512.87x = 98,076,819,378.32 - Step 5: Solve for x
x = 98,076,819,378.32/352,512.87 - Step 6: Final answer
x = 278,221.96
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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.