Finding the Fourth Proportional to 206,766.70, 310,204.05 and 66,528.70
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Solution
The fourth proportional to 206,766.70, 310,204.05 and 66,528.70 is: 99,810.42
Step by Step Solution
- Step 1: Write the proportion equation
206,766.70 : 310,204.05 = 66,528.70 : x - Step 2: Convert to fraction form
206,766.70/310,204.05 = 66,528.70/x - Step 3: Cross multiply
206,766.70x = 310,204.05 × 66,528.70 - Step 4: Simplify right side
206,766.70x = 20,637,472,181.24 - Step 5: Solve for x
x = 20,637,472,181.24/206,766.70 - Step 6: Final answer
x = 99,810.42
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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.