Finding the Fourth Proportional to 118,568.43, 163,629.68 and 68,283.63
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Solution
The fourth proportional to 118,568.43, 163,629.68 and 68,283.63 is: 94,234.43
Step by Step Solution
- Step 1: Write the proportion equation
118,568.43 : 163,629.68 = 68,283.63 : x - Step 2: Convert to fraction form
118,568.43/163,629.68 = 68,283.63/x - Step 3: Cross multiply
118,568.43x = 163,629.68 × 68,283.63 - Step 4: Simplify right side
118,568.43x = 11,173,228,184.72 - Step 5: Solve for x
x = 11,173,228,184.72/118,568.43 - Step 6: Final answer
x = 94,234.43
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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.