Finding the Fourth Proportional to 269,634.92, 372,103.97 and 148,783.99
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Solution
The fourth proportional to 269,634.92, 372,103.97 and 148,783.99 is: 205,326.20
Step by Step Solution
- Step 1: Write the proportion equation
269,634.92 : 372,103.97 = 148,783.99 : x - Step 2: Convert to fraction form
269,634.92/372,103.97 = 148,783.99/x - Step 3: Cross multiply
269,634.92x = 372,103.97 × 148,783.99 - Step 4: Simplify right side
269,634.92x = 55,363,112,583.78 - Step 5: Solve for x
x = 55,363,112,583.78/269,634.92 - Step 6: Final answer
x = 205,326.20
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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.