Finding the Fourth Proportional to 201,220.10, 301,720.80 and 68,031.80
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Solution
The fourth proportional to 201,220.10, 301,720.80 and 68,031.80 is: 102,010.73
Step by Step Solution
- Step 1: Write the proportion equation
201,220.10 : 301,720.80 = 68,031.80 : x - Step 2: Convert to fraction form
201,220.10/301,720.80 = 68,031.80/x - Step 3: Cross multiply
201,220.10x = 301,720.80 × 68,031.80 - Step 4: Simplify right side
201,220.10x = 20,526,609,121.44 - Step 5: Solve for x
x = 20,526,609,121.44/201,220.10 - Step 6: Final answer
x = 102,010.73
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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.