Finding the Fourth Proportional to 163,343.70, 244,687.49 and 74,474.96
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Solution
The fourth proportional to 163,343.70, 244,687.49 and 74,474.96 is: 111,562.86
Step by Step Solution
- Step 1: Write the proportion equation
163,343.70 : 244,687.49 = 74,474.96 : x - Step 2: Convert to fraction form
163,343.70/244,687.49 = 74,474.96/x - Step 3: Cross multiply
163,343.70x = 244,687.49 × 74,474.96 - Step 4: Simplify right side
163,343.70x = 18,223,091,030.25 - Step 5: Solve for x
x = 18,223,091,030.25/163,343.70 - Step 6: Final answer
x = 111,562.86
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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.