Finding the Fourth Proportional to 215,588.51, 297,492.84 and 120,093.15
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Solution
The fourth proportional to 215,588.51, 297,492.84 and 120,093.15 is: 165,717.80
Step by Step Solution
- Step 1: Write the proportion equation
215,588.51 : 297,492.84 = 120,093.15 : x - Step 2: Convert to fraction form
215,588.51/297,492.84 = 120,093.15/x - Step 3: Cross multiply
215,588.51x = 297,492.84 × 120,093.15 - Step 4: Simplify right side
215,588.51x = 35,726,852,258.05 - Step 5: Solve for x
x = 35,726,852,258.05/215,588.51 - Step 6: Final answer
x = 165,717.80
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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.