Finding the Fourth Proportional to 229,319.08, 343,838.88 and 102,934.78
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Solution
The fourth proportional to 229,319.08, 343,838.88 and 102,934.78 is: 154,339.44
Step by Step Solution
- Step 1: Write the proportion equation
229,319.08 : 343,838.88 = 102,934.78 : x - Step 2: Convert to fraction form
229,319.08/343,838.88 = 102,934.78/x - Step 3: Cross multiply
229,319.08x = 343,838.88 × 102,934.78 - Step 4: Simplify right side
229,319.08x = 35,392,979,468.25 - Step 5: Solve for x
x = 35,392,979,468.25/229,319.08 - Step 6: Final answer
x = 154,339.44
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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.