Finding the Fourth Proportional to 274,703.49, 412,321.62 and 132,649.13
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Solution
The fourth proportional to 274,703.49, 412,321.62 and 132,649.13 is: 199,102.32
Step by Step Solution
- Step 1: Write the proportion equation
274,703.49 : 412,321.62 = 132,649.13 : x - Step 2: Convert to fraction form
274,703.49/412,321.62 = 132,649.13/x - Step 3: Cross multiply
274,703.49x = 412,321.62 × 132,649.13 - Step 4: Simplify right side
274,703.49x = 54,694,102,111.58 - Step 5: Solve for x
x = 54,694,102,111.58/274,703.49 - Step 6: Final answer
x = 199,102.32
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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.