Finding the Fourth Proportional to 181,462.44, 272,198.52 and 69,128.40
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Solution
The fourth proportional to 181,462.44, 272,198.52 and 69,128.40 is: 103,694.45
Step by Step Solution
- Step 1: Write the proportion equation
181,462.44 : 272,198.52 = 69,128.40 : x - Step 2: Convert to fraction form
181,462.44/272,198.52 = 69,128.40/x - Step 3: Cross multiply
181,462.44x = 272,198.52 × 69,128.40 - Step 4: Simplify right side
181,462.44x = 18,816,648,169.97 - Step 5: Solve for x
x = 18,816,648,169.97/181,462.44 - Step 6: Final answer
x = 103,694.45
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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.