Finding the Fourth Proportional to 202,370.40, 303,555.60 and 135,856.44
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Solution
The fourth proportional to 202,370.40, 303,555.60 and 135,856.44 is: 203,784.66
Step by Step Solution
- Step 1: Write the proportion equation
202,370.40 : 303,555.60 = 135,856.44 : x - Step 2: Convert to fraction form
202,370.40/303,555.60 = 135,856.44/x - Step 3: Cross multiply
202,370.40x = 303,555.60 × 135,856.44 - Step 4: Simplify right side
202,370.40x = 41,239,983,158.06 - Step 5: Solve for x
x = 41,239,983,158.06/202,370.40 - Step 6: Final answer
x = 203,784.66
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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.