Finding the Fourth Proportional to 229,715.11, 343,835.43 and 122,832.10
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Solution
The fourth proportional to 229,715.11, 343,835.43 and 122,832.10 is: 183,853.94
Step by Step Solution
- Step 1: Write the proportion equation
229,715.11 : 343,835.43 = 122,832.10 : x - Step 2: Convert to fraction form
229,715.11/343,835.43 = 122,832.10/x - Step 3: Cross multiply
229,715.11x = 343,835.43 × 122,832.10 - Step 4: Simplify right side
229,715.11x = 42,234,027,921.30 - Step 5: Solve for x
x = 42,234,027,921.30/229,715.11 - Step 6: Final answer
x = 183,853.94
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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.