Finding the Fourth Proportional to 134,769.22, 202,181.72 and 54,807.19
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Solution
The fourth proportional to 134,769.22, 202,181.72 and 54,807.19 is: 82,222.12
Step by Step Solution
- Step 1: Write the proportion equation
134,769.22 : 202,181.72 = 54,807.19 : x - Step 2: Convert to fraction form
134,769.22/202,181.72 = 54,807.19/x - Step 3: Cross multiply
134,769.22x = 202,181.72 × 54,807.19 - Step 4: Simplify right side
134,769.22x = 11,081,011,163.08 - Step 5: Solve for x
x = 11,081,011,163.08/134,769.22 - Step 6: Final answer
x = 82,222.12
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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.