Finding the Fourth Proportional to 640,171.94, 883,361.97 and 353,674.94
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Solution
The fourth proportional to 640,171.94, 883,361.97 and 353,674.94 is: 488,029.81
Step by Step Solution
- Step 1: Write the proportion equation
640,171.94 : 883,361.97 = 353,674.94 : x - Step 2: Convert to fraction form
640,171.94/883,361.97 = 353,674.94/x - Step 3: Cross multiply
640,171.94x = 883,361.97 × 353,674.94 - Step 4: Simplify right side
640,171.94x = 312,422,991,738.03 - Step 5: Solve for x
x = 312,422,991,738.03/640,171.94 - Step 6: Final answer
x = 488,029.81
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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.