Finding the Fourth Proportional to 201,630.90, 302,446.35 and 68,661.30
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Solution
The fourth proportional to 201,630.90, 302,446.35 and 68,661.30 is: 102,991.95
Step by Step Solution
- Step 1: Write the proportion equation
201,630.90 : 302,446.35 = 68,661.30 : x - Step 2: Convert to fraction form
201,630.90/302,446.35 = 68,661.30/x - Step 3: Cross multiply
201,630.90x = 302,446.35 × 68,661.30 - Step 4: Simplify right side
201,630.90x = 20,766,359,571.26 - Step 5: Solve for x
x = 20,766,359,571.26/201,630.90 - Step 6: Final answer
x = 102,991.95
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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.