Finding the Fourth Proportional to 206,871.10, 310,306.65 and 73,755.70
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Solution
The fourth proportional to 206,871.10, 310,306.65 and 73,755.70 is: 110,633.55
Step by Step Solution
- Step 1: Write the proportion equation
206,871.10 : 310,306.65 = 73,755.70 : x - Step 2: Convert to fraction form
206,871.10/310,306.65 = 73,755.70/x - Step 3: Cross multiply
206,871.10x = 310,306.65 × 73,755.70 - Step 4: Simplify right side
206,871.10x = 22,886,884,185.41 - Step 5: Solve for x
x = 22,886,884,185.41/206,871.10 - Step 6: Final answer
x = 110,633.55
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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.