Finding the Fourth Proportional to 151,402.30, 227,212.80 and 84,771.70
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Solution
The fourth proportional to 151,402.30, 227,212.80 and 84,771.70 is: 127,218.78
Step by Step Solution
- Step 1: Write the proportion equation
151,402.30 : 227,212.80 = 84,771.70 : x - Step 2: Convert to fraction form
151,402.30/227,212.80 = 84,771.70/x - Step 3: Cross multiply
151,402.30x = 227,212.80 × 84,771.70 - Step 4: Simplify right side
151,402.30x = 19,261,215,317.76 - Step 5: Solve for x
x = 19,261,215,317.76/151,402.30 - Step 6: Final answer
x = 127,218.78
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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.