Finding the Fourth Proportional to 174,157.26, 261,235.62 and 114,979.07
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Solution
The fourth proportional to 174,157.26, 261,235.62 and 114,979.07 is: 172,468.42
Step by Step Solution
- Step 1: Write the proportion equation
174,157.26 : 261,235.62 = 114,979.07 : x - Step 2: Convert to fraction form
174,157.26/261,235.62 = 114,979.07/x - Step 3: Cross multiply
174,157.26x = 261,235.62 × 114,979.07 - Step 4: Simplify right side
174,157.26x = 30,036,627,332.30 - Step 5: Solve for x
x = 30,036,627,332.30/174,157.26 - Step 6: Final answer
x = 172,468.42
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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.