Finding the Fourth Proportional to 135,325.40, 202,988.10 and 132,992.60
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Solution
The fourth proportional to 135,325.40, 202,988.10 and 132,992.60 is: 199,488.90
Step by Step Solution
- Step 1: Write the proportion equation
135,325.40 : 202,988.10 = 132,992.60 : x - Step 2: Convert to fraction form
135,325.40/202,988.10 = 132,992.60/x - Step 3: Cross multiply
135,325.40x = 202,988.10 × 132,992.60 - Step 4: Simplify right side
135,325.40x = 26,995,915,188.06 - Step 5: Solve for x
x = 26,995,915,188.06/135,325.40 - Step 6: Final answer
x = 199,488.90
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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.