Finding the Fourth Proportional to 135,691.38, 203,555.58 and 46,921.05
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Solution
The fourth proportional to 135,691.38, 203,555.58 and 46,921.05 is: 70,387.98
Step by Step Solution
- Step 1: Write the proportion equation
135,691.38 : 203,555.58 = 46,921.05 : x - Step 2: Convert to fraction form
135,691.38/203,555.58 = 46,921.05/x - Step 3: Cross multiply
135,691.38x = 203,555.58 × 46,921.05 - Step 4: Simplify right side
135,691.38x = 9,551,041,546.96 - Step 5: Solve for x
x = 9,551,041,546.96/135,691.38 - Step 6: Final answer
x = 70,387.98
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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.