Finding the Fourth Proportional to 118,568.68, 163,630.02 and 68,283.88
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Solution
The fourth proportional to 118,568.68, 163,630.02 and 68,283.88 is: 94,234.77
Step by Step Solution
- Step 1: Write the proportion equation
118,568.68 : 163,630.02 = 68,283.88 : x - Step 2: Convert to fraction form
118,568.68/163,630.02 = 68,283.88/x - Step 3: Cross multiply
118,568.68x = 163,630.02 × 68,283.88 - Step 4: Simplify right side
118,568.68x = 11,173,292,650.08 - Step 5: Solve for x
x = 11,173,292,650.08/118,568.68 - Step 6: Final answer
x = 94,234.77
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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.