Finding the Fourth Proportional to 269,708.41, 372,184.99 and 154,906.30
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Solution
The fourth proportional to 269,708.41, 372,184.99 and 154,906.30 is: 213,763.45
Step by Step Solution
- Step 1: Write the proportion equation
269,708.41 : 372,184.99 = 154,906.30 : x - Step 2: Convert to fraction form
269,708.41/372,184.99 = 154,906.30/x - Step 3: Cross multiply
269,708.41x = 372,184.99 × 154,906.30 - Step 4: Simplify right side
269,708.41x = 57,653,799,716.44 - Step 5: Solve for x
x = 57,653,799,716.44/269,708.41 - Step 6: Final answer
x = 213,763.45
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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.