Finding the Fourth Proportional to 248,634.80, 372,952.20 and 185,649.20
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Solution
The fourth proportional to 248,634.80, 372,952.20 and 185,649.20 is: 278,473.80
Step by Step Solution
- Step 1: Write the proportion equation
248,634.80 : 372,952.20 = 185,649.20 : x - Step 2: Convert to fraction form
248,634.80/372,952.20 = 185,649.20/x - Step 3: Cross multiply
248,634.80x = 372,952.20 × 185,649.20 - Step 4: Simplify right side
248,634.80x = 69,238,277,568.24 - Step 5: Solve for x
x = 69,238,277,568.24/248,634.80 - Step 6: Final answer
x = 278,473.80
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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.