Finding the Fourth Proportional to 201,204.60, 301,806.90 and 134,719.80
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Solution
The fourth proportional to 201,204.60, 301,806.90 and 134,719.80 is: 202,079.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204.60 : 301,806.90 = 134,719.80 : x - Step 2: Convert to fraction form
201,204.60/301,806.90 = 134,719.80/x - Step 3: Cross multiply
201,204.60x = 301,806.90 × 134,719.80 - Step 4: Simplify right side
201,204.60x = 40,659,365,206.62 - Step 5: Solve for x
x = 40,659,365,206.62/201,204.60 - Step 6: Final answer
x = 202,079.70
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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.