Finding the Fourth Proportional to 163,021.20, 244,531.80 and 57,850.80
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Solution
The fourth proportional to 163,021.20, 244,531.80 and 57,850.80 is: 86,776.20
Step by Step Solution
- Step 1: Write the proportion equation
163,021.20 : 244,531.80 = 57,850.80 : x - Step 2: Convert to fraction form
163,021.20/244,531.80 = 57,850.80/x - Step 3: Cross multiply
163,021.20x = 244,531.80 × 57,850.80 - Step 4: Simplify right side
163,021.20x = 14,146,360,255.44 - Step 5: Solve for x
x = 14,146,360,255.44/163,021.20 - Step 6: Final answer
x = 86,776.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.