Finding the Fourth Proportional to 135,785.52, 203,629.68 and 47,015.19
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Solution
The fourth proportional to 135,785.52, 203,629.68 and 47,015.19 is: 70,505.96
Step by Step Solution
- Step 1: Write the proportion equation
135,785.52 : 203,629.68 = 47,015.19 : x - Step 2: Convert to fraction form
135,785.52/203,629.68 = 47,015.19/x - Step 3: Cross multiply
135,785.52x = 203,629.68 × 47,015.19 - Step 4: Simplify right side
135,785.52x = 9,573,688,094.84 - Step 5: Solve for x
x = 9,573,688,094.84/135,785.52 - Step 6: Final answer
x = 70,505.96
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1.5x scale
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.