Finding the Fourth Proportional to 229,311.94, 343,979.88 and 69,383.82
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Solution
The fourth proportional to 229,311.94, 343,979.88 and 69,383.82 is: 104,079.35
Step by Step Solution
- Step 1: Write the proportion equation
229,311.94 : 343,979.88 = 69,383.82 : x - Step 2: Convert to fraction form
229,311.94/343,979.88 = 69,383.82/x - Step 3: Cross multiply
229,311.94x = 343,979.88 × 69,383.82 - Step 4: Simplify right side
229,311.94x = 23,866,638,077.54 - Step 5: Solve for x
x = 23,866,638,077.54/229,311.94 - Step 6: Final answer
x = 104,079.35
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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.