Finding the Fourth Proportional to 181,270.36, 250,149.72 and 100,697.08
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Solution
The fourth proportional to 181,270.36, 250,149.72 and 100,697.08 is: 138,960.09
Step by Step Solution
- Step 1: Write the proportion equation
181,270.36 : 250,149.72 = 100,697.08 : x - Step 2: Convert to fraction form
181,270.36/250,149.72 = 100,697.08/x - Step 3: Cross multiply
181,270.36x = 250,149.72 × 100,697.08 - Step 4: Simplify right side
181,270.36x = 25,189,346,366.82 - Step 5: Solve for x
x = 25,189,346,366.82/181,270.36 - Step 6: Final answer
x = 138,960.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.