Finding the Fourth Proportional to 248,202.09, 342,867.74 and 221,336.01
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Solution
The fourth proportional to 248,202.09, 342,867.74 and 221,336.01 is: 305,754.78
Step by Step Solution
- Step 1: Write the proportion equation
248,202.09 : 342,867.74 = 221,336.01 : x - Step 2: Convert to fraction form
248,202.09/342,867.74 = 221,336.01/x - Step 3: Cross multiply
248,202.09x = 342,867.74 × 221,336.01 - Step 4: Simplify right side
248,202.09x = 75,888,976,422.64 - Step 5: Solve for x
x = 75,888,976,422.64/248,202.09 - Step 6: Final answer
x = 305,754.78
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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.