Finding the Fourth Proportional to 153,716.88, 229,047.21 and 136,948.05
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Solution
The fourth proportional to 153,716.88, 229,047.21 and 136,948.05 is: 204,060.67
Step by Step Solution
- Step 1: Write the proportion equation
153,716.88 : 229,047.21 = 136,948.05 : x - Step 2: Convert to fraction form
153,716.88/229,047.21 = 136,948.05/x - Step 3: Cross multiply
153,716.88x = 229,047.21 × 136,948.05 - Step 4: Simplify right side
153,716.88x = 31,367,568,767.44 - Step 5: Solve for x
x = 31,367,568,767.44/153,716.88 - Step 6: Final answer
x = 204,060.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.