Finding the Fourth Proportional to 135,133.20, 202,728.72 and 40,370.88
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Solution
The fourth proportional to 135,133.20, 202,728.72 and 40,370.88 is: 60,564.96
Step by Step Solution
- Step 1: Write the proportion equation
135,133.20 : 202,728.72 = 40,370.88 : x - Step 2: Convert to fraction form
135,133.20/202,728.72 = 40,370.88/x - Step 3: Cross multiply
135,133.20x = 202,728.72 × 40,370.88 - Step 4: Simplify right side
135,133.20x = 8,184,336,827.67 - Step 5: Solve for x
x = 8,184,336,827.67/135,133.20 - Step 6: Final answer
x = 60,564.96
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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.