Finding the Fourth Proportional to 248,863.80, 372,777.30 and 207,391.80
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Solution
The fourth proportional to 248,863.80, 372,777.30 and 207,391.80 is: 310,655.69
Step by Step Solution
- Step 1: Write the proportion equation
248,863.80 : 372,777.30 = 207,391.80 : x - Step 2: Convert to fraction form
248,863.80/372,777.30 = 207,391.80/x - Step 3: Cross multiply
248,863.80x = 372,777.30 × 207,391.80 - Step 4: Simplify right side
248,863.80x = 77,310,955,246.14 - Step 5: Solve for x
x = 77,310,955,246.14/248,863.80 - Step 6: Final answer
x = 310,655.69
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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.