Finding the Fourth Proportional to 201,695.80, 302,543.70 and 135,340.60
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Solution
The fourth proportional to 201,695.80, 302,543.70 and 135,340.60 is: 203,010.90
Step by Step Solution
- Step 1: Write the proportion equation
201,695.80 : 302,543.70 = 135,340.60 : x - Step 2: Convert to fraction form
201,695.80/302,543.70 = 135,340.60/x - Step 3: Cross multiply
201,695.80x = 302,543.70 × 135,340.60 - Step 4: Simplify right side
201,695.80x = 40,946,445,884.22 - Step 5: Solve for x
x = 40,946,445,884.22/201,695.80 - Step 6: Final answer
x = 203,010.90
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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.