Finding the Fourth Proportional to 134,879.64, 202,341.36 and 50,646.44
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Solution
The fourth proportional to 134,879.64, 202,341.36 and 50,646.44 is: 75,977.88
Step by Step Solution
- Step 1: Write the proportion equation
134,879.64 : 202,341.36 = 50,646.44 : x - Step 2: Convert to fraction form
134,879.64/202,341.36 = 50,646.44/x - Step 3: Cross multiply
134,879.64x = 202,341.36 × 50,646.44 - Step 4: Simplify right side
134,879.64x = 10,247,869,548.76 - Step 5: Solve for x
x = 10,247,869,548.76/134,879.64 - Step 6: Final answer
x = 75,977.88
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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.