Finding the Fourth Proportional to 201,416.20, 302,114.70 and 68,283.40
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Solution
The fourth proportional to 201,416.20, 302,114.70 and 68,283.40 is: 102,421.85
Step by Step Solution
- Step 1: Write the proportion equation
201,416.20 : 302,114.70 = 68,283.40 : x - Step 2: Convert to fraction form
201,416.20/302,114.70 = 68,283.40/x - Step 3: Cross multiply
201,416.20x = 302,114.70 × 68,283.40 - Step 4: Simplify right side
201,416.20x = 20,629,418,905.98 - Step 5: Solve for x
x = 20,629,418,905.98/201,416.20 - Step 6: Final answer
x = 102,421.85
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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.