Finding the Fourth Proportional to 206,821.70, 310,232.55 and 206,821.70
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Solution
The fourth proportional to 206,821.70, 310,232.55 and 206,821.70 is: 310,232.55
Step by Step Solution
- Step 1: Write the proportion equation
206,821.70 : 310,232.55 = 206,821.70 : x - Step 2: Convert to fraction form
206,821.70/310,232.55 = 206,821.70/x - Step 3: Cross multiply
206,821.70x = 310,232.55 × 206,821.70 - Step 4: Simplify right side
206,821.70x = 64,162,823,386.34 - Step 5: Solve for x
x = 64,162,823,386.34/206,821.70 - Step 6: Final answer
x = 310,232.55
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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.