Finding the Fourth Proportional to 206,777.80, 310,168.62 and 57,020.68
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Solution
The fourth proportional to 206,777.80, 310,168.62 and 57,020.68 is: 85,531.55
Step by Step Solution
- Step 1: Write the proportion equation
206,777.80 : 310,168.62 = 57,020.68 : x - Step 2: Convert to fraction form
206,777.80/310,168.62 = 57,020.68/x - Step 3: Cross multiply
206,777.80x = 310,168.62 × 57,020.68 - Step 4: Simplify right side
206,777.80x = 17,686,025,627.06 - Step 5: Solve for x
x = 17,686,025,627.06/206,777.80 - Step 6: Final answer
x = 85,531.55
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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.