Finding the Fourth Proportional to 325,995.68, 488,951.98 and 126,179.36
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Solution
The fourth proportional to 325,995.68, 488,951.98 and 126,179.36 is: 189,252.96
Step by Step Solution
- Step 1: Write the proportion equation
325,995.68 : 488,951.98 = 126,179.36 : x - Step 2: Convert to fraction form
325,995.68/488,951.98 = 126,179.36/x - Step 3: Cross multiply
325,995.68x = 488,951.98 × 126,179.36 - Step 4: Simplify right side
325,995.68x = 61,695,647,907.13 - Step 5: Solve for x
x = 61,695,647,907.13/325,995.68 - Step 6: Final answer
x = 189,252.96
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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.