Finding the Fourth Proportional to 181,628.16, 272,338.44 and 55,231.08
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Solution
The fourth proportional to 181,628.16, 272,338.44 and 55,231.08 is: 82,815.06
Step by Step Solution
- Step 1: Write the proportion equation
181,628.16 : 272,338.44 = 55,231.08 : x - Step 2: Convert to fraction form
181,628.16/272,338.44 = 55,231.08/x - Step 3: Cross multiply
181,628.16x = 272,338.44 × 55,231.08 - Step 4: Simplify right side
181,628.16x = 15,041,546,166.72 - Step 5: Solve for x
x = 15,041,546,166.72/181,628.16 - Step 6: Final answer
x = 82,815.06
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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.