Finding the Fourth Proportional to 135,147.29, 202,731.66 and 40,370.50
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Solution
The fourth proportional to 135,147.29, 202,731.66 and 40,370.50 is: 60,558.96
Step by Step Solution
- Step 1: Write the proportion equation
135,147.29 : 202,731.66 = 40,370.50 : x - Step 2: Convert to fraction form
135,147.29/202,731.66 = 40,370.50/x - Step 3: Cross multiply
135,147.29x = 202,731.66 × 40,370.50 - Step 4: Simplify right side
135,147.29x = 8,184,378,733.44 - Step 5: Solve for x
x = 8,184,378,733.44/135,147.29 - Step 6: Final answer
x = 60,558.96
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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.