Finding the Fourth Proportional to 248,509.06, 343,144.75 and 202,575.91
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Solution
The fourth proportional to 248,509.06, 343,144.75 and 202,575.91 is: 279,719.62
Step by Step Solution
- Step 1: Write the proportion equation
248,509.06 : 343,144.75 = 202,575.91 : x - Step 2: Convert to fraction form
248,509.06/343,144.75 = 202,575.91/x - Step 3: Cross multiply
248,509.06x = 343,144.75 × 202,575.91 - Step 4: Simplify right side
248,509.06x = 69,512,858,980.09 - Step 5: Solve for x
x = 69,512,858,980.09/248,509.06 - Step 6: Final answer
x = 279,719.62
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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.