Finding the Fourth Proportional to 270,081.91, 372,720.56 and 149,230.99
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Solution
The fourth proportional to 270,081.91, 372,720.56 and 149,230.99 is: 205,942.92
Step by Step Solution
- Step 1: Write the proportion equation
270,081.91 : 372,720.56 = 149,230.99 : x - Step 2: Convert to fraction form
270,081.91/372,720.56 = 149,230.99/x - Step 3: Cross multiply
270,081.91x = 372,720.56 × 149,230.99 - Step 4: Simplify right side
270,081.91x = 55,621,456,857.28 - Step 5: Solve for x
x = 55,621,456,857.28/270,081.91 - Step 6: Final answer
x = 205,942.92
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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.