Finding the Fourth Proportional to 203,663.54, 305,396.67 and 119,451.28
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Solution
The fourth proportional to 203,663.54, 305,396.67 and 119,451.28 is: 179,119.07
Step by Step Solution
- Step 1: Write the proportion equation
203,663.54 : 305,396.67 = 119,451.28 : x - Step 2: Convert to fraction form
203,663.54/305,396.67 = 119,451.28/x - Step 3: Cross multiply
203,663.54x = 305,396.67 × 119,451.28 - Step 4: Simplify right side
203,663.54x = 36,480,023,139.24 - Step 5: Solve for x
x = 36,480,023,139.24/203,663.54 - Step 6: Final answer
x = 179,119.07
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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.