Finding the Fourth Proportional to 135,438.26, 203,186.01 and 40,665.02
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Solution
The fourth proportional to 135,438.26, 203,186.01 and 40,665.02 is: 61,006.12
Step by Step Solution
- Step 1: Write the proportion equation
135,438.26 : 203,186.01 = 40,665.02 : x - Step 2: Convert to fraction form
135,438.26/203,186.01 = 40,665.02/x - Step 3: Cross multiply
135,438.26x = 203,186.01 × 40,665.02 - Step 4: Simplify right side
135,438.26x = 8,262,563,160.37 - Step 5: Solve for x
x = 8,262,563,160.37/135,438.26 - Step 6: Final answer
x = 61,006.12
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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.