Finding the Fourth Proportional to 134,629.60, 201,944.40 and 89,723.20
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Solution
The fourth proportional to 134,629.60, 201,944.40 and 89,723.20 is: 134,584.80
Step by Step Solution
- Step 1: Write the proportion equation
134,629.60 : 201,944.40 = 89,723.20 : x - Step 2: Convert to fraction form
134,629.60/201,944.40 = 89,723.20/x - Step 3: Cross multiply
134,629.60x = 201,944.40 × 89,723.20 - Step 4: Simplify right side
134,629.60x = 18,119,097,790.08 - Step 5: Solve for x
x = 18,119,097,790.08/134,629.60 - Step 6: Final answer
x = 134,584.80
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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.