Finding the Fourth Proportional to 274,343.58, 378,673.83 and 159,649.02
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Solution
The fourth proportional to 274,343.58, 378,673.83 and 159,649.02 is: 220,362.02
Step by Step Solution
- Step 1: Write the proportion equation
274,343.58 : 378,673.83 = 159,649.02 : x - Step 2: Convert to fraction form
274,343.58/378,673.83 = 159,649.02/x - Step 3: Cross multiply
274,343.58x = 378,673.83 × 159,649.02 - Step 4: Simplify right side
274,343.58x = 60,454,905,859.15 - Step 5: Solve for x
x = 60,454,905,859.15/274,343.58 - Step 6: Final answer
x = 220,362.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.