Finding the Fourth Proportional to 201,680.90, 302,521.35 and 68,711.30
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Solution
The fourth proportional to 201,680.90, 302,521.35 and 68,711.30 is: 103,066.95
Step by Step Solution
- Step 1: Write the proportion equation
201,680.90 : 302,521.35 = 68,711.30 : x - Step 2: Convert to fraction form
201,680.90/302,521.35 = 68,711.30/x - Step 3: Cross multiply
201,680.90x = 302,521.35 × 68,711.30 - Step 4: Simplify right side
201,680.90x = 20,786,635,236.26 - Step 5: Solve for x
x = 20,786,635,236.26/201,680.90 - Step 6: Final answer
x = 103,066.95
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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.