Finding the Fourth Proportional to 327,214.74, 490,731.39 and 207,193.62
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Solution
The fourth proportional to 327,214.74, 490,731.39 and 207,193.62 is: 310,732.99
Step by Step Solution
- Step 1: Write the proportion equation
327,214.74 : 490,731.39 = 207,193.62 : x - Step 2: Convert to fraction form
327,214.74/490,731.39 = 207,193.62/x - Step 3: Cross multiply
327,214.74x = 490,731.39 × 207,193.62 - Step 4: Simplify right side
327,214.74x = 101,676,413,141.73 - Step 5: Solve for x
x = 101,676,413,141.73/327,214.74 - Step 6: Final answer
x = 310,732.99
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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.