Finding the Fourth Proportional to 222,414.84, 306,954.45 and 126,935.91
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Solution
The fourth proportional to 222,414.84, 306,954.45 and 126,935.91 is: 175,184.09
Step by Step Solution
- Step 1: Write the proportion equation
222,414.84 : 306,954.45 = 126,935.91 : x - Step 2: Convert to fraction form
222,414.84/306,954.45 = 126,935.91/x - Step 3: Cross multiply
222,414.84x = 306,954.45 × 126,935.91 - Step 4: Simplify right side
222,414.84x = 38,963,542,439.30 - Step 5: Solve for x
x = 38,963,542,439.30/222,414.84 - Step 6: Final answer
x = 175,184.09
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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.