Finding the Fourth Proportional to 163,121.62, 244,777.69 and 68,343.71
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Solution
The fourth proportional to 163,121.62, 244,777.69 and 68,343.71 is: 102,555.47
Step by Step Solution
- Step 1: Write the proportion equation
163,121.62 : 244,777.69 = 68,343.71 : x - Step 2: Convert to fraction form
163,121.62/244,777.69 = 68,343.71/x - Step 3: Cross multiply
163,121.62x = 244,777.69 × 68,343.71 - Step 4: Simplify right side
163,121.62x = 16,729,014,065.08 - Step 5: Solve for x
x = 16,729,014,065.08/163,121.62 - Step 6: Final answer
x = 102,555.47
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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.