Finding the Fourth Proportional to 325,814.12, 488,567.82 and 126,227.96
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Solution
The fourth proportional to 325,814.12, 488,567.82 and 126,227.96 is: 189,282.52
Step by Step Solution
- Step 1: Write the proportion equation
325,814.12 : 488,567.82 = 126,227.96 : x - Step 2: Convert to fraction form
325,814.12/488,567.82 = 126,227.96/x - Step 3: Cross multiply
325,814.12x = 488,567.82 × 126,227.96 - Step 4: Simplify right side
325,814.12x = 61,670,919,240.25 - Step 5: Solve for x
x = 61,670,919,240.25/325,814.12 - Step 6: Final answer
x = 189,282.52
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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.