Finding the Fourth Proportional to 135,703.38, 203,365.44 and 115,608.18
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Solution
The fourth proportional to 135,703.38, 203,365.44 and 115,608.18 is: 173,250.72
Step by Step Solution
- Step 1: Write the proportion equation
135,703.38 : 203,365.44 = 115,608.18 : x - Step 2: Convert to fraction form
135,703.38/203,365.44 = 115,608.18/x - Step 3: Cross multiply
135,703.38x = 203,365.44 × 115,608.18 - Step 4: Simplify right side
135,703.38x = 23,510,708,393.30 - Step 5: Solve for x
x = 23,510,708,393.30/135,703.38 - Step 6: Final answer
x = 173,250.72
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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.