Finding the Fourth Proportional to 151,305.80, 226,958.70 and 98,161.70
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Solution
The fourth proportional to 151,305.80, 226,958.70 and 98,161.70 is: 147,242.55
Step by Step Solution
- Step 1: Write the proportion equation
151,305.80 : 226,958.70 = 98,161.70 : x - Step 2: Convert to fraction form
151,305.80/226,958.70 = 98,161.70/x - Step 3: Cross multiply
151,305.80x = 226,958.70 × 98,161.70 - Step 4: Simplify right side
151,305.80x = 22,278,651,821.79 - Step 5: Solve for x
x = 22,278,651,821.79/151,305.80 - Step 6: Final answer
x = 147,242.55
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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.