Finding the Fourth Proportional to 324,214.61, 447,511.19 and 188,309.66
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Solution
The fourth proportional to 324,214.61, 447,511.19 and 188,309.66 is: 259,922.52
Step by Step Solution
- Step 1: Write the proportion equation
324,214.61 : 447,511.19 = 188,309.66 : x - Step 2: Convert to fraction form
324,214.61/447,511.19 = 188,309.66/x - Step 3: Cross multiply
324,214.61x = 447,511.19 × 188,309.66 - Step 4: Simplify right side
324,214.61x = 84,270,676,855.99 - Step 5: Solve for x
x = 84,270,676,855.99/324,214.61 - Step 6: Final answer
x = 259,922.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.