Finding the Fourth Proportional to 269,496.99, 371,922.84 and 154,811.52
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Solution
The fourth proportional to 269,496.99, 371,922.84 and 154,811.52 is: 213,649.66
Step by Step Solution
- Step 1: Write the proportion equation
269,496.99 : 371,922.84 = 154,811.52 : x - Step 2: Convert to fraction form
269,496.99/371,922.84 = 154,811.52/x - Step 3: Cross multiply
269,496.99x = 371,922.84 × 154,811.52 - Step 4: Simplify right side
269,496.99x = 57,577,940,183.12 - Step 5: Solve for x
x = 57,577,940,183.12/269,496.99 - Step 6: Final answer
x = 213,649.66
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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.