Finding the Fourth Proportional to 163,072.80, 244,609.20 and 149,294.70
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Solution
The fourth proportional to 163,072.80, 244,609.20 and 149,294.70 is: 223,942.05
Step by Step Solution
- Step 1: Write the proportion equation
163,072.80 : 244,609.20 = 149,294.70 : x - Step 2: Convert to fraction form
163,072.80/244,609.20 = 149,294.70/x - Step 3: Cross multiply
163,072.80x = 244,609.20 × 149,294.70 - Step 4: Simplify right side
163,072.80x = 36,518,857,131.24 - Step 5: Solve for x
x = 36,518,857,131.24/163,072.80 - Step 6: Final answer
x = 223,942.05
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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.