Finding the Fourth Proportional to 201,795.20, 302,721.60 and 68,652.80
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Solution
The fourth proportional to 201,795.20, 302,721.60 and 68,652.80 is: 102,989.00
Step by Step Solution
- Step 1: Write the proportion equation
201,795.20 : 302,721.60 = 68,652.80 : x - Step 2: Convert to fraction form
201,795.20/302,721.60 = 68,652.80/x - Step 3: Cross multiply
201,795.20x = 302,721.60 × 68,652.80 - Step 4: Simplify right side
201,795.20x = 20,782,685,460.48 - Step 5: Solve for x
x = 20,782,685,460.48/201,795.20 - Step 6: Final answer
x = 102,989.00
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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.