Finding the Fourth Proportional to 229,367.84, 343,876.68 and 129,640.64
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Solution
The fourth proportional to 229,367.84, 343,876.68 and 129,640.64 is: 194,362.00
Step by Step Solution
- Step 1: Write the proportion equation
229,367.84 : 343,876.68 = 129,640.64 : x - Step 2: Convert to fraction form
229,367.84/343,876.68 = 129,640.64/x - Step 3: Cross multiply
229,367.84x = 343,876.68 × 129,640.64 - Step 4: Simplify right side
229,367.84x = 44,580,392,876.28 - Step 5: Solve for x
x = 44,580,392,876.28/229,367.84 - Step 6: Final answer
x = 194,362.00
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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.