Finding the Fourth Proportional to 248,157.31, 372,054.49 and 79,581.68
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Solution
The fourth proportional to 248,157.31, 372,054.49 and 79,581.68 is: 119,314.32
Step by Step Solution
- Step 1: Write the proportion equation
248,157.31 : 372,054.49 = 79,581.68 : x - Step 2: Convert to fraction form
248,157.31/372,054.49 = 79,581.68/x - Step 3: Cross multiply
248,157.31x = 372,054.49 × 79,581.68 - Step 4: Simplify right side
248,157.31x = 29,608,721,846.97 - Step 5: Solve for x
x = 29,608,721,846.97/248,157.31 - Step 6: Final answer
x = 119,314.32
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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.